Many of the images and instructional resources that we have made available on Tuva have been licensed under a Creative Commons License by their creators. These works have been made available under the Attribution (CC BY) or the Attribution-ShareAlike (CC BY-SA) Licenses.
Our sincere thanks to all the photographers around the world who have captured the beautiful, thought-provoking images, and made them available for us to use for our datasets.
Population and Energy Consumption in Texas: Baytownbert
Population & Energy Consumption in Rhode Island: W. L. Tarbert
Population and Energy Consumption in CA: BenSherman
Games won by the Yankees and Red Sox: Ryosuke Yagi
2012 SAT Scores of 32 Brooklyn High Schools: Photo by Nguyen Dang Hoang Nhu
Varying Population Growth Among Nations: Pavel Novak
Global Food Prices Since 2001: Unknown
Population of the Bronx by Zip Code in 2010: Gryffindor
Population and Energy Consumption in CT: Para
Resident Population in Washington: Mark Wagner
Population & Energy Consumption in PA: Arturo Ramos
Population and Energy Consumption in Florida: Wknight94
Population and Energy Consumption in Georgia: Georgia Tech Research Institute
Population & Energy Consumption in NJ: TruffShuff
Population and Energy Consumption in CO: Steve Wilson
Population & Water Consumption in Arvada, Colorado: ChrisEngelsma
Asthma, Diabetes, & Obesity Rates In the Bronx: Jim.henderson
Tourism in India since 1991: Kumaravels
BMX Dirt-bike Racing: Fabrizio
Top 10 Art Museums In the World - By Attendance: Benh LIEU SONG
Team Breakdown - Nuggets vs. Rockets: Jose Garcia
Top 15 Amusement Parks in North America: Sarah Ackerman
Michigan Economy by Area: Patricia Drury
Life Expectancy in 40 Nations (Simplified): Toshimasa Ishibashi
Life Expectancy in Nations Since 1980: Rod Long
National Happiness Index - Example Indicators: Maureen Didde
Deforestation in the Amazon Jungle: Matt Zimmerman
Population and Energy Consumption in KY: The Pug Father
Life Expectancy in 40 Nations (2020): Aaron Bradford
Salary Differences Between Men & Women in US: Tim Mossholder
Air Pollution from Carbon Monoxide: Marcin Jozwiak on Unsplash
Going Up in Smoke: SmartSign
Obesity, ages 2-19 in the US: Peggy Greb, U.S. Department of Agriculture
Winter Olympics: Going Back in History: Jon Wick
Population of Oakland, CA By Race: Basil D Soufi
The Dark Side of Chocolate: John Loo
Man's Best Friend: Scott
Launching Rockets: NASA
Public Charity in the United States: Riccardodalben
Taking Stock: bfishadow
Becoming Barbie: Tracheotomy Bob
Take the Bully by the Horns: Maryland GovPics
Video Games: Lars Frantzen
Stop the Trafficking: Imagens Evangélicas
Earth's Overdrawn Account: Vmenkov
Fighting World Hunger: FMSC Distribution Partner - Risen Savior Missions
The AIDS Epidemic in the US: Center for Disease Control
The Powerlessness of Poverty: Jonathan McIntosh
Top US Metros for Fashion Designers: José Goulão
2013-14 National Girls High School Softball: Ralph Arvesen
Soaring High with Falcons: Craig ONeal
Athletic Training Certification in the US: www.localfitness.com.au
Can Plants Save the World?: JLHA3050
Rise of Mobile Phones in South Africa: Simon Berry
Historic Drought in California: National Oceanic and Atmospheric Administration
Global Happiness Project - Survey Data: Tyler Olson
The United States Military: U.S. Department of Defense
The Legacy of Imperialism in Africa: U.S. National Archives and Records Administration
Election of the Indian Parliament: Shahnoor Habib Munmun
The US Economic Boom of the 1950s: David Shankbone
Jewish Migration out of Europe: The Palmach Archive
Welfare Benefits in the United States: U.S. Navy photo by Chief Mass Communication Specialist Steve Johnson
Top 25 NBA Players Of All Time: Photo by Erik Drost CC BY 2.0 DEED
Arctic Sea Ice in March & September: National Snow & Ice Data Center
The Rising Income Inequality in the US: Daniel Case
Income Inequality in the US Since 1947: US Census Bureau
Radio Controlled Cars: Itrados
Rise of Cooking Shows in the US: Scandic Hotels
FIFA World Cup - All Time Rankings: Bet_Noire
US Rare Earth Mining and Sales of Electronics: Martin Röll
History of Wheat Production in Kansas: Takkk
Educational Attainment in US By Gender: COD Newsroom
Atmospheric CO2 and Ocean pH: Toby Hudson
US Medical School Graduates by Sex: Bob211
GMOs, Pesticides, and Bee Population in the US: John Severns
Products Recovered Through Recycling in US: Guinnog
Sea Level Rise in the US: Gryffindor
Tobacco and Jamestown Economy: David from Washington, DC
Population and Energy Consumption in Kansas: Leaflet
NFL 2013 - Team Offense & Defense Statistics: Derrick S.
All About Dogs: Scott
United States House of Representatives: Lawrence Jackson
Mammals Near Extinction: Dave Pape
United States Presidents: White House
US Cities (Part 1): Hakilon
US Declaration of Independence: Public Domain
Periodic Table - Meet the Elements: Alchemist-hp
Oscar Winners since 1929: Prayitno
Dinosaurs: ScottRobertAnselmo
Top 100 Movies Of All Time: hashi photo
US States (Part 1): USGS
2014 West Africa Ebola Outbreak: CDC
Canada Population By Age - 2011 Census: Jphillips23
Provinces of China: J. Patrick Fischer
Apple Production: Sven Teschke
Apple Production: Sven Teschke
Planets - Giants and Dwarfs: NASA
Volcanic Eruptions Around The World: Steven W. Dengler
Tall Buildings Of The World: Nepenthes
Missions To Mars: NASA
History of the Olympics: Berliner Illustrierte Zeitung
World Wildlife Population: Doug Janson
Nearest and Brightest Stars: ESO - Claus Madsen
Properties of Rocks and Minerals: JJ Harrison
Space, Pets, and Lawyers: Heidelberger Life-Science Lab
Lawyers and Honeybees: Björn Appel
Major Cities in Florida: Jon Zander (Digon3)
Gravity Recovery and Climate Experiment: Hannes Grobe, AWI
Major Cities in Alabama: Eric in SF
Degrees Conferred to Women - By Major: Essexknowledge
Thermal Properties of Materials (Part 1): NASA
Thermal Properties of Materials (Part 2): NASA
Periodic Table - Properties of Elements: Marcel
Bay Area Science Festival - 2014: FG Trade
South Dakota - Energy and Population: ChristofferRiemer
US Crime Statistics: 1960 - 2012: Yumi Kimura
Devastating Earthquakes: Esteban Maldonado
Energy Consumption - USA vs. the World: Gretar Ívarsson
Nobel Peace Prize Winners: ProtoplasmaKid
US Aid to Pakistan: United States Coast Guard
US States (Part 2): USGS
Social Progress Index: Justin Ormont
Economy of the US: MBisanz
The Mayflower Passengers: Wenceslaus Hollar
Black Friday: Photo by Ivan Samkov via Pexels
The Price of Thanksgiving Dinner: Marcus Quigmire
US Naturalization through the Years: NPS photo by Neal Herbert
Executive Orders and Vetoes by US Presidents: Lawrence Jackson
GMRI Green Crab Data: GMRI
GMRI Purple Loosestrife Data: Ivar Leidus
Pixar vs DreamWorks: Brian Mcgowan
Global Change: http://www.banksy.co.uk/
Voter Turnout by Year and Age Group: Pete Souza
Homelessness in the United States: Franco Folini
World War II - The Eastern Front: Unknown
Who Receives the Most US Foreign Assistance?: U.S. Navy
World War II - Military Strength and Casualties: United States Marine Corps
The Holocaust and Hitler's Final Solution: United States Holocaust Museum
World War II - Tank and Aircraft Production: Jerry J. Jostwick
Cycles of the Moon, Earth, and Sun: Orion 8
Cuba: 1976 to 2013: Marco Zanferrari
Sunspot Cycle and Space Weather: Hans Bernhard
Annual Newspaper Advertising Expenditures: Khantipol
Census At School - Raw Data: U.S. Army RDECOM
Census At School - Clean Data: U.S. Army RDECOM
Nuclear Power Plants from Around the World: Stefan Kühn
Passengers of the Titanic: F.G.O. Stuart
Heart Rate Survey Data: rosmary
Viruses & Bacteria: Dr Graham Beards
Heights of Political Leaders: The White House
Cicadas: Toby Hudson
US Slave Trade (Part 1): Unknown
US Slave Trade (Part 2): Rama
Slave Trade (Part 3): Supportstorm
Popular Pets: Prskavka
Land Animal Features: katsrcool (CC BY 2.0)
Notable Asteroids: NASA/JPL-Caltech
China or the USA, Who Eats More Meat?: _BuBBy_
Radiation Exposure: Ed Siasoco
Tsunamis: Mimigu
Historic Snowfall in the Northeast: AgnosticPreachersKid
Moore's Law: Intel Free Press
Tornadoes in the Past Decade: Chris Spannagle
Tornadoes of 2020: NOAA
Super Bowl Ads and Viewership: istock
Earth's Gravitational Field: Hannes Grobe, AWI
Wild Grass, CO2, & Temperature: Javier martin
Antioxidants in Foods: Jennifer Birgl
Periodic Tides in Hawaii, 96 Hours: Alvesgaspar
Periodic Tides in Hawaii, 660 Hours: Alvesgaspar
Measles Cases & Vaccine Rates: 6 Countries: DFID - UK Department for International Development
Measles Cases Around the World, 2009 - 2012: Cynthia S. Goldsmith
North Atlantic Hurricane Tracks: Creative Commons Attribution-Share Alike 3.0 Unported license
Hurricane Sandy, Her Brothers and Sisters: NASA
Census of Juveniles in Residential Placement: Ammodramus
Neodymium Magnets: Suradnik50
Densities of Materials: José Manuel Suárez
Copper Wires and Electricity: Averse
Basic Elements: Humans, Earth, & the Universe: ESO/S. Brunier
Speed of Sound: Ensign John Gay, U.S. Navy
Half-life of Isotopes: Department of Energy
Marine Animal Features: Truncatus
Index of Refraction: Zátonyi Sándor
Solar Irradiance: Jessie Eastland
Viscosity: Viktor Mayer
Buoyancy in Water and Mercury: OS2 JOHN BOUVIA
Compressibility Factor of Air: free of copyrights under Creative Commons CC0.
Ideal Gas Law Applied to Different Gases: Brocken Inaglory
Ideal Gas Law: Bob Cahalan, NASA
Earthquakes from 2000 to 2003: Esteban Maldonado
Avogadro's Law: Sanjay Acharya
Boyle's Law of P & V: Photo by Crystal Kwok on Unsplash
Charles's Law of V & T: Tiddly Tom
Gay-Lussac's Law of P & T: Evan Mason
Tracking a Weather Balloon: https://creativecommons.org/licenses/by/2.0/
Arby's Menu: Photo by Fernando Andrade on Unsplash
Top Home Run Hitters of 2014: Richard Anderson
Baseball Physics in Motion - 1: Caitlin Conner
Baseball Physics in Motion - 2: Ben Hershey
Periodic Table - Forty Elements: Ed Uthman, Houston, Texas, USA
National Health and Nutrition Examination Survey: Almonroth
Annual Freshwater Withdrawals: By Sianid poisen - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=77228902
How Many M&Ms in Each Bag?: Evan-Amos
Estimated Numbers of HIV Diagnoses by Race: National Institutes of Health (NIH)
Sea Ice and Snow Cover, 2000 - 2015: Acaro
Global Temperature Anomalies, 1880 - 2014: Giorgiogp2
Numbers of HIV by Transmission Type: LGBT Free Media Collective
Estimated Numbers of HIV Diagnoses by Sex: Jonrawlinson
Populations of Males & Females: chensiyuan
Top 50 Metropolitan Areas: Getfunky
World Population: Past & Future: McKay Savage
NAFTA Job Loss from 1993 to 1996: AlexCovarrubias
US Trade with Mexico and Canada: AlexCovarrubias
Chesapeake Bay: Underwater Bay Grass: NASA Goddard Space Flight Center
Estimated Streamflow: Chesapeake Bay: Nora lives
Fish Caught in Maryland: Pedro Ramirez Jr./U.S. Fish and Wildlife Service
Recent College Graduates: Kit
Airline Safety: Wo st 01
Police Serving their City: Nick.Allen
Demographics of Divorce: Ammodramus
PET Plastics: Terence Ong
Sleeping Habits by Age Group: epSos .de
Sleeping Habits of 12 States: Aaron Jacobs
Sleeping Habits by Marital Status: U.S. National Archives and Records Administration
Medfly Lifespan: Scott Bauer
US Population and Vehicles: Nandaro
American Colleges & Universities, 1993: sach1tb
American Baseball League Salaries, 2003: Keith Allison
Pizza Sizes and Toppings: Scott Bauer
Body Temperature & Heart Rate: Berthold Werner
Used GM Cars: Photo by Ivana Cajina
Sleeping Habits by Race/Ethnicity: Samantha Marx
Sleeping Habits of Males and Females: Jacob Bøtter
Sleeping Habits by Employment Status: Jeffrey Bary
Sleeping Habits by Educational Attainment: MC Quinn
Electoral Votes: Tom Arthur
Teacher Salary & Test Scores, 2001: U.S. National Archives and Records Administration
Communication Tech Adoption, USA: Simon A. Eugster
Transportation Tech Adoption, USA: Maxim Melnikov
Miss America: New York World-Telegram and the Sun staff photographer: Al Ravenna
Baby Weights & Gestation Length: Andrew Vargas
Roller Coasters Around the World: Jonrev
Teacher Salary & Test Scores, 2013: Jirka Matousek
NBA 2014-2015 Season: Chensiyuan
Marvel vs DC Movies: Yulia Matvienko
Shark Attacks: Albert kok
Low Birth Weight Study: Din Jimenez
Cereal Placement on Store Shelves: Photo by Franki Chamaki on Unsplash
Rock n' Roll Hall of Fame: brett jordan
Password Security Survey: Brian Ronald
Life's Biggest Regrets: Gordon Joly
Kansas Earthquakes: Tubbi
Top Internet Browsers: Fabio Lanari
Social Political Views, Gallup Poll: Public Domain
Economic Political Views, Gallup Poll: Official White House Photo by Pete Souza
Access to Supermarkets in Philadelphia: Eric Hunt
NYC Employment Data 2014: Luca Bravo
Music Project: Darekm135
Projectile Motion of a Steel Marble: Lucasbosch
Animales del Mar: Truncatus
Mochilas: woodleywonderworks
El tiempo de San José: "AeropuertoJuanSantamaría". Licensed under Public Domain via Commons - https://commons.wikimedia.org/wiki/File:AeropuertoJuanSantamar%C3%ADa.jpg#/media/File:AeropuertoJuanSantamar%C3%ADa.jpg
Río Barranca: Christian Frausto Bernal
Altura y Peso 6–16: Pixabay
US Census (1900-1990): U.S. Census
Weather Over Kansas by Balloon: ARM Mobile Facility (AMF1)
Pencil Sharpener: Alexander Klink
Hershey's Kisses: IvoShandor
Role of Women through American History: Burke & Atwell, Chicago (Photographer)
Book Measurements (Part 1): Ginny
Gender Identity: Tim Evanson
Hooke's Law: kallerna
Microwave Heating: Photo by Erik Mclean on Unsplash
Cuban Migration To Florida : US Census (1950-1990): Nightscream
California Gold Rush: US Census (1850-1900): G.F. Nesbitt & Co.
Traffic Accident Factors (US 2014): Transport For NSW (https://www.transport.nsw.gov.au/)
Global Gas Prices (1996 - 2012): Tewy
Mercury Levels In Tuna: Danilo Cedrone (United Nations Food and Agriculture Organization)
Penobscot Bay Temperatures: Yentpacrr
Boston Marathon Times: JD
US Milk Production By Region & State: USDA
US Gas Prices (1996–2012): Mike Mozart
New England Ice-out Dates: Ken Gallager
STD Morbidity - US Northeastern Region: Center for Disease Control
Castine Tides 2013: Someone35
Household Electricity Consumption By State: Kristoferb (talk)
Vostok Ice Core and Climate Change: NASA
Atlantic Hurricanes: U.S. National Oceanic and Atmospheric Administration
NFL Football Helmet Physics: http://www.flickr.com/photos/span112/2930036427/
Ocean Acidification Over Time: Albert Kok
Temperatures and Precipitation for Washington: AgnosticPreachersKid
Precipitation in Washington and Maine: Acadia National Park, ME
Old Faithful Eruption Times: Flicka
Flight Time And Distance: Wo st 01
M&M Measurements: Evan-Amos
Book Measurements (Part 2): Horia Varlan
Resources And Recycling: Andreas Feininger
Atmospheric Carbon Dioxide: Karolina Grabowska
Ring of Fire Earthquakes (1890–2011): Gringer
Flow Rates in Two US Rivers: Photo by Glen Chambers, CC by 2.0. The image has not been altered.
Washington Weather: Cory Barnes
Historic Mineral Prices: Ra'ike
Snow Pack Study — Old Town, Maine: Emmanuel Boutet
Air Quality & Weather In Four US States: katgrigg
Air Pollution & Populations: Alexandrowicz, John L
Chromosome Counts For Species: Haggblom Lissa
Lake Temperature and Dissolved Oxygen: 3268zauber~commonswiki
Global Sea Level Rise: Adityamadhav83
Environmental Impact of Foods: Petr Kratochvil
Flow Of River Nile At Dongola: NASA
Sudan Household Survey Data: COSV
Sudan Population And Housing Census Data (2008): Karl Grobl/Education Development Center Inc.
Maine Bear Hunt: Greg Hume
Lake Chemistry: Blueeyedgabriel
Day Lengths In US Cities: Nicolas Raymond
Automobile Mileage Ratings (2012): M 93
Wave Height And Sediment Load: Brocken Inaglory
Mercury Deposition: Famartin
Loons And Mercury: Art Weber/U.S. Fish and Wildlife Service
Trends in Cancer Death Rates (1930–2011): Dr. Cecil Fox
Animal Gestation Periods And Lifespans: Gunner Ries Amphibol
Marathon Winning Times (2010-2016): Adrian Grycuk
African Elephant Populations: Thomas Breuer
Oldman River Sediment Load: Eddie Carle
Ozone Hole Size and CFCs: NASA
Coral Reef Bleaching in the Caribbean: 2006-2016: David Darom
Tide and Moon Cycles: JesseW900
Bylot Island Ecology: Ansgar Walk, CC BY-SA 2.5 <https://creativecommons.org/licenses/by-sa/2.5>, via Wikimedia Commons
Amylase Production (Part 2): A2-33
Preferences of Boys and Girls: Lars Bo Nielsen via Unsplash
Salinity and Temperature in an Estuary: Maine EPSCoR
Tack Tosses: Molly Schauffler
Penny Weights: Roman Oleinik
Phytoplankton in the Gulf of Maine: Dave Townsend, University of Maine School of Marine Science
Life Expectancy In The US Since 1960: Vera Kratochvil
Light Moving Through Materials: By MarcellusWallace (Own work) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Square Tiles: Baelde
الحقيبة المدرسية: woodleywonderworks
Properties of Stars: Brightness and Temperature: European Space Agency (ESA/Hubble)
US Government Nutrition Program (2016-17): National Institute Of Health
Autism Awareness: Eric
Effect of Soil Salinity on Plant Growth: Photo by Tim McCabe, USDA Natural Resources Conservation Service.
Opposite Sides Of A Ruler: Thespaceface
Calcium and Blood Pressure: Jesse K. Alwin, U.S. Marine Corps
Age and Sign Readability: Photo by Andrew Valdivia on Unsplash
Forbes Boiling Points: Creative Commons
Wolf and Elk in Yellowstone: Yellowstone National Park from Yellowstone NP, USA
Lynx and Snowshoe Hare in Canada: Eric Kilby
Temperature Conversions: Tobias1983
Sea and Land Temperature Change: Kevin Gill
Light Absorption by Plant Pigments: Mindmatrix
Circles: Yami89
Exercise Effects: Cat from Sevilla, Spain
Electoral College Results (1804 - 2020): Ibagli
Household Energy Consumption in Canada: DAR56
Cost of Fuel Consumed for Electric Power Generation in Canada: WinterE229 WinterforceMedia
Household Energy Consumption and Income in Canada: Guilhem Vellut from Vancouver, Canada
Electric Power Generation in Canada: Siemens
San Francisco Weather in October: capnvynl
Climate in Global Cities: Wikimedia Commons, by SuperJumbo 21
Travel Economics: Mike
Smartphone Data Plans: tookapic
US Income Tax Brackets for Singles (2016): United States Department of the Treasury
The Growth of Sugar Kelp: NOAA
Ochre Sea Star Populations: Jerry Kirkhart from Los Osos, Calif. - Pisaster ochraceus (purple sea star or ochre sea star)
Atlantic Seafloor Magnetic Polarization: NOAA
Earth's Magnetic Fields: Dr. Gary A. Glatzmaier, Los Almos National Laboratory - US Dept. of Energy
Polar Sea Ice Extent: http://nsidc.org/
October Weather in US Cities: Alfred Schrock
Owl Limpet Populations: By Jerry Kirkhart - originally posted to Flickr as Owl Limpet, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=8673345
Eastern Pacific Sea Surface Temperatures: NASA
Electricity Use and State Population: Lesekreis
California Condors: Scott Frier - U.S. Fish and Wildlife Service
The Growth of Sugar Kelp (Part 2): Bjørn Christian Tørrissen
Galapagos Finch Population and Seed Counts: Putney Mark
Rainfall on Daphne Major (1974-1990): Sam LaRussa
Galapagos Finch Characteristics: John Gould
Water on Earth: Brocken Inaglory
Specific Heat of Common Materials: Public Domain CC0
Aquatic Organisms in Acidic Environments (Simplified): Connor Long
Hourly Buoy Temperatures in October: Yentpacrr
World Forests: Miguel.v
Primary Energy Consumption: Naotake Murayama
Comparison of ICBMs: U.S. Navy
Presidential Pardons: Gerald R. Ford Presidential Library
Cryptocurrencies: AntanaCoins
USA Economic Recessions: Library of Congress
Corpus Christi and Hurricane Harvey: By Official U.S. Navy Page from United States of AmericaU.S. Navy photo/U.S. Navy - An infrared satellite image of Hurricane Harvey, a category 2 hurricane., Public Domain, https://commons.wikimedia.o
Daylight Hours & Temperature Around the World: By Tesseract2 - Own workThis file was created with Blender., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=22582618
Mitosis Phases in Onion Root Tip Cells: Doc. RNDr. Josef Reischig, CSc.
Thanksgiving Week Gas Prices: By Unisouth (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
2018 New Year Dataset: State Population Changes: Ondrejk
Ocean Air and Water Temperatures: Ken Walker
Annual US Wildfires: By Unknown - nps.gov, Public Domain
Extinctions and Human Population: Yathin S Krishnappa
Giant Kelp Growth: NOAA National Ocean Service
Influenza Strains: Cynthia Goldsmith Content Providers(s), CDC/ Dr. Erskine. L. Palmer; Dr. M. L. Martin [Public domain]
Human Enzymes: By Yishuzhang (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
La contaminación del aire: Alexandrowicz, John L
Calidad del aire y clima en 4 estados de EE. UU.: katgrigg
Producción de amilasa, parte 2: A2-33
Huracanes atlánticos: U.S. National Oceanic and Atmospheric Administration
Polarización magnética del fondo marino atlántico: NOAA
Elementos básicos: humanos, tierra y el universo: ESO/S. Brunier
BMX Carreras de bicicletas: Fabrizio
Ecología de la Isla Bylot: Ansgar Walk, CC BY-SA 2.5 <https://creativecommons.org/licenses/by-sa/2.5>, via Wikimedia Commons
Cóndores de California: Scott Frier - U.S. Fish and Wildlife Service
¿Las plantas pueden salvar el mundo?: JLHA3050
Cromosoma Cuenta por Especie: Haggblom Lissa
Cigarras: Toby Hudson
Clima en las ciudades de Estados Unidos: Wikimedia Commons, by SuperJumbo 21
Arrecifes de Coral Blanqueamiento: David Darom
Ciclos de la luna, la tierra y el sol: Orion 8
Duración de los días en las ciudades de los Estados Unidos: Nicolas Raymond
Densidades de materiales: José Manuel Suárez
Terremotos devastadores: Esteban Maldonado
Dinosaurios: ScottRobertAnselmo
El campo gravitacional de la tierra: Hannes Grobe, AWI
Campos Magnéticos de la Tierra: Dr. Gary A. Glatzmaier, Los Almos National Laboratory - US Dept. of Energy
Cuenta de Sobregiro de la Tierra: Vmenkov
Elementos en la tabla periódica - Parte I: Alchemist-hp
Elementos en la tabla periódica - Parte II: Alchemist-hp
Efectos de ejercicio: Cat from Sevilla, Spain
Flujo de río Nilo en Dongola: NASA
Recuento de poblaciones y semillas de pinzones en Galápagos: Putney Mark
Cambio global: Brocken Inaglory
Calentamiento Global y Hielo Marino del Ártico: National Snow & Ice Data Center
OGM, plaguicidas y población de abejas en los EE. UU.: John Severns
Gases de efecto invernadero: Toby Hudson
Nevada histórica en el noreste: AgnosticPreachersKid
¿Cómo afectan los diferentes materiales a las ondas de luz?: By MarcellusWallace (Own work) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Índice de refracción: Zátonyi Sándor
Liebre de lince y raquetas de nieve en Canadá: Eric Kilby
Niveles de mercurio en el atún: Danilo Cedrone (United Nations Food and Agriculture Organization)
Estrellas más cercanas al sistema solar: ESO - Claus Madsen
Física del casco de fútbol NFL: http://www.flickr.com/photos/span112/2930036427/
Asteroides notables: NASA/JPL-Caltech
Acidificación del océano a lo largo del tiempo: Albert Kok
Animales marinos: Truncatus
Carga de Sedimentos del Río Oldman: Eddie Carle
Tamaño del orificio de ozono y CFC: NASA
Temperaturas de la bahía de Penobscot: Yentpacrr
Planetas - Gigantes y enanos: NASA
Radiacion solar: Jessie Eastland
Velocidad del sonido: Ensign John Gay, U.S. Navy
Tiempo de reacción de mensajes de texto: Ed Brown as Edbrown05
La Física de Lanzar una Béisbol: Caitlin Conner
Tendencias en las tasas de mortalidad por cáncer (1930-2011): Dr. Cecil Fox
Tendencias de la tabla periódica: Ed Uthman, Houston, Texas, USA
Erupciones volcánicas en todo el mundo: Steven W. Dengler
Núcleo de hielo Vostok y cambio climático: NASA
Hierba silvestre, CO2 y temperatura: Javier martin
Lobo y alce en Yellowstone: Yellowstone National Park from Yellowstone NP, USA
Población Mundial de Vida Silvestre: Doug Janson
Montañas Rusas de Todo el Mundo: Jonrev
Dióxido de carbono atmosférico: Karolina Grabowska
New Mexico Big Horn Sheep Populations: Kim Keating, USGS photo
Cougar Mortality: National Park Service, K. Fink
Cambio de temperatura del mar y la tierra: Kevin Gill
US Roller Coasters: Jonrev
Ping-Pong Bounce: Dontworry
Hexnuts: Plbcr
Sound of a Whistle: Paul Vernon
Marine Debris Old version: ceridwen / Jetsam man at Aber Rhigian beach / CC BY-SA 2.0
Water Use in US States (2015): Vitaly
The World's Forests: Daniel Case
Visits to National Parks: Grand Canyon National Park
Hanging Slinky: Roger McLassus
Mercy Education World Wide: Prepper2
Fuel Economy of 2023 Cars and Trucks: Photo by myenergi on Unsplash
Heights of Women (NHANES): Olia Danilevich
Electricity Generation in the US: Photo by Ben, Out with the Old, In with the New CC BY-SA 2.0
IRIS Seismic Monitor Dataset: Image by Incorporated Research Institutions for Seismology (IRIS)
Residential Electricity Consumption in U.S. States: File:1995 Chunghsin I-70-S watthour meter.jpg - Wikimedia ...
Ridgecrest Earthquake Waves: Atomicdragon136
Digging Dinosaur Data!: ScottRobertAnselmo
Ocean Animals: Truncatus
Thick and Thin Books: Image by Karolina Grabowska from Pexels
Land Animals: katsrcool (CC BY 2.0)
Different Roller Coasters: Jonrev
Coronavirus in Countries: CDC
Coronavirus in US States: CDC
HIV-AIDS: Annual Global & Regions: C. GoldsmithContent Providers: CDC/ C. Goldsmith, P. Feorino, E. L. Palmer, W. R. McManus / Public domain
Shopping Carts: Boudewijn Huysmans
Arsenic in Well-Water: Diverse Health Services Wordpress Newsletter (via Unsplash)
Spinning Storms: U.S. National Oceanic and Atmospheric Administration
Peppered Moths: Photo by Wolfgang Hasselmann on Unsplash
Nutritional Values of Food: Carissa Gan
Gene Expression: Public Domain
Genome, Genes, and Chromosomes: National Cancer Institute
Air Pollution & World Population (Simplified): Alexandrowicz, John L
Climate by the Month: mbruxelle via Adobe Stock
Daylight Hours In Four US Cities (Elementary): John Smith
Making Electricity: vencav
Energy Use in California (Simplified): New Africa
Where is Water?: vovan
Starlight, Star Bright: Robert
Wild Wildfires: toa555
Streamflow and Sediment (Elementary): Creaturart
Daylight Hours Around the World (Simplified): Polarpx
Carbon in the Ocean: Brian
Long-term Atmospheric Change: Vital
Kangaroos!: 169169
Jiminy Cricket Chirps: Vladimir Wrangel
Changing Ocean Chemistry: Rafael
Who's Using the Water?: Chaucharanje
Food Energy: New Africa
Recycling Materials: Creative Commons
Women Leading: Gerd Altmann
Cricket Chirps & Temperature: PetrP
50 States of Recycling: jpgon
Coral Reef Bleaching: borisoff
Tides Around the World: Commonwealth of Australia (Geoscience Australia) 2016
SST Around the World: Jaynes Gallery/Danita Delimont
Climate Action Tracks: Backwoodsdesign
Variants and Mutations of a Virus in the US: By Initial author: nextstrain.org — manually edited, En rouge - Own work using: file retrieved as Raw download at clades.svg, 2022-04-30, from https://github.com/nextstrain, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=117812694
US Federal Deficit by the Year: Nick Youngson CC BY-SA 3.0 Pix4free
Sunrise & Sunset Tables of the Past: Stacei Browne, "Slides provided courtesy of Pearson Education for Educational Purposes. Copyright, Pearson Education, 2009"
Climate Model Temperature Projections: Romolo Tavani
Sunrise & Sunset Tables of the Past (Simplified): Stacei Browne, "Slides provided courtesy of Pearson Education for Educational Purposes. Copyright, Pearson Education, 2009"
Global Carbon Budget: (Ted Eytan | CC BY-SA 2.0)
Food Calories: Plant and Animal: Alexander Raths
Global Prices of a Basket of Food: Kitreel
Orangutan Population Estimates: Creative Commons Attribution-Share Alike 4.0 International
Squirrel Census NYC: Wildlife NYC, City of New York
Peaks of Influenza-like Illnesses in US: Welcome Collection CC BY 4.0
Eclipses 2010-2030: Christin Lola
Sandhill Crane Migration Count since 1967: Frank Schulenburg, CC Attribution-Share Alike 4.0 Int.
NYT: Word of the Day: Claudio Divizia
Yearly Sunlight, Precipitation, & Temperature in California: Livansh
Eggs by the Dozen: Price Change: Beat Bieler
Demographics of US Cities & Their Police Officers: Dean Moses
LA Affordable Housing Projects 2003-2022: Wonderopolis, © National Center for Families Learning
Snowy Cities: AgnosticPreachersKid
Long Term Temperature & Precipitation: Stephen F. Adams. Courtesy of the New Bedford Whaling Museum
A Century of Weather Records: Photo by NOAA on Unsplash
Measuring Kids: Free for commercial use, DMCA
M&M Friends: free use
Taylor Swift's Reputation Tour (2018): Photo by Raphael Lovaski on Unsplash
100 Best YA Books of All Time: Photo by Matias North on Unsplash
Lunchtime Grocery List: clipart-library.com
Pet Adoption: Stanze B. from Pixabay
Beach Debris: The image is released free of copyrights under Creative Commons CC0.
Atlantic Hurricanes (Simplified): U.S. National Oceanic and Atmospheric Administration
Old Faithful Eruptions: Flicka
October Weather in US Cities (Simplified): Alfred Schrock
Mammal Life Cycles: Holger Detje from Pixabay
50 States of Recycling: Alabama to Missouri: jpgon via Adobe Stock
50 States of Recycling: Montana to Wyoming: jpgon via Adobe Stock
Urban Heat Islands in the US: Free for commercial use, DMCA
Green River, Sometimes Brown River: mypubliclands, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons
Sandhill Crane Migration Count (Simplified): Frank Schulenburg, CC Attribution-Share Alike 4.0 Int.
School Rules Survey (Responses): Image by Lockie from Pixabay
Great Salt Lake Since 1847: Photo by Urvish Oza on Unsplash
Tracking a Weather Balloon in Indiana: https://creativecommons.org/licenses/by/2.0/
Candy Choices: rochelle hartman
Aquatic Organisms in Acidic Environments: Connor Long
Thunder Bay Shipwrecks: NOAA
Egg Drop Engineering Student Data: btylke
NFL American Football Conference: Photo by Sgt. Ray Casares, Public Domain
Mountaintops of North America: Public Domain
Active Mines in the US: Farragutful, CC BY-SA 4.0
Rock Resources in the US: https://creativecommons.org/licenses/by-nc/2.0/
Dog Growth Chart: Image by Pablo Villalon from Pixabay
Starlight: By Elop using Stellarium - Own work, based on a Screenshots with Stellarium, CC BY-SA 3.0
January Shadow Length: Image by StockSnap from Pixabay
Seasonal Shadow Length: mandritoui via Adobe Stock
Daylight Hours for Two Cities: Polarpx via Adobe Stock
Properties of Metals: Pituk via Adobe Stock
Plant Structure and Function: Image by kmarius from Pixabay
Global Climate Regions: dmutrojarmolinua via Adobe Stock
Mammal Reproduction: CC BY-SA 2.0 DEED, Ted Bobosh
How Americans Spend Their Free Time: Image by Monika Robak from Pixabay
Black American Firsts: National Archives
Gravity Force PhET Lab Sim: PhET Interactive Simulations
Black American Congresspeople: Currier and Ives
Baseball Physics (Simplified): Caitlin conner
Net Primary Productivity in Different Biomes: US Forest Service, Curlew National Grassland
Pay Gap Between Men & Women in the US: Open Clipart
Primary Energy Production in the US: Crux Fundgrube CC A 2.5
Water Use by Country - Top 70: Photo by Ethan Adhikary Utpal
Fossils of the World - Cambrian to Present: tamifreed via Adobe Stock
Household Electricity Use in the US: Reenergize.com
Eclipse Patterns: NASA
Feathers and Beaks: Pixabay- CTolman
NCAA D1 Basketball Career Scoring Leaders: compiled by ABrickley