1
Published in 2017
What are coral reefs? Coral can be found in tropical ocean waters around the world. But how much do you know about reefs and the tiny animals—polyps—that build them? Learn all about coral and why warming waters threaten the future of the reef ecosystem.
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2
Published in 2012
Explore and experience the forces that shape the world around us. Global warming could do more than just melt polar ice.  It could change our maps, and displace people from cities and tropical islands.
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3
Published in 2017
Find out more about how our sun's position in the sky changes due to Earth's rotation, revolution, and tilt. Learn from the experts -- Dr. Alex Young and Dr. Nicki Viall explain these connections so students understand patterns within the Earth-sun relationship.
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4
Lectures, featuring astronomers giving nontechnical lectures on recent developments in astronomy, are now available on their own YouTube Channel
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5
Published in 2011
Modern Recycling makes recycling easy and simple with single stream recycling. This recycling program helps conserve our natural resources one plastic bottle or newspaper at a time.
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6
Published in 2015
Watch this video and learn how clouds are created and cool facts about them.
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7
Published in 2016
This video essay celebrates some of northern Michigan's most threatened wetlands and the young citizen scientists working to better understand and preserve them. Produced by Nature Change, a multimedia magazine dedicated to building conservation literacy among citizens and local officials, the video...
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8
Published in 2012
From year to year, the moon never seems to change. Craters and other formations appear to be permanent now, but the moon didn't always look like this. Thanks to NASA's Lunar Reconnaissance Orbiter, we now have a better look at some of the moon's history. Learn more in this video!
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9
By TED-Ed
Published in 2016
With riing temperatures and seas, massive droughts, and changing landscapes, successfully adapting to climate change is increasingly important. For humans, this can mean using technoogy to find solutions. But for some plants and animals, adapting to these changes involves the most ancient solution...
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10
By TED-Ed
Published in 2014
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits here are the clouds, which make solar power difficult to control. Alexandros George Charalambides explains how solar towers and panels create electricity and...
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11
By TED-Ed
Published in 2013
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
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12
Published in 2017
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, plus its planets, moons, and asteroids.
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13
Published in 2017
Forests cover about 30% of the planet, but deforestation is clearing these essential habitats on a massive scale. What is deforestation? Find out the causes, effects, and solutions to deforestation.
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14
Published in 2017
Oceans serve as the planet's largest habitat and also help to regulate the global climate. But why is the ocean salty? And how is climate impacting the ocean? Find out more about the ocean, including the consequences of and potential solutions to these changes.
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15
Published in 2017
On Earth, a total solar eclipse means that for just a few minutes, the sky goes dark. But what does a total solar eclipse look like from space?
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16
Published in 2013
YouTube video describing what it would be like if the moon orbited the Earth at the same distance as the ISS.
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17
Award-winning science, math and technology videos for grades K-12.
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18
By TED-Ed
Published in 2013
How can the shadow of the tiny moon eclipse the sight of the gargantuan sun? By sheer coincedence, the dsc of the sun in 400x larger than the disc of the moon, but it's 390x farther from Earth -- which means that when they align just right, the moon blocks all but the sun's glowing corona. Andy...
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19
By TED-Ed
Published in 2015
"The Arctic may seem like a frozen and desolate environment here nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather patterns across the globe. William Chapman explains why scientists...
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20
Published in 2017
"For a few minutes on August 21, the sun will disappear behind the moon in a total solar eclipse visible from a streak of locations across the United States. Now, for those who cannot view the eclipse from its """"path of totality,"""" or even for those who just want to preview the live event, NOAA...
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