Environmental Science
The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?
The Euphrates River, at the 'Cradle of Civilization,' Is Drying Up
Study Says 2035 Is Climate Change Point of No Return
5 Ideas for Doubling the World's Food Supply
Andes Mountains: Home to Rainforests, Volcanoes and Alpacas
What Are Geodes and Where Can You Find Them?
River-bottom Bones: The Strange World of Underwater Fossil Hunting
How to Sell Electricity Back to the Grid
Are there any risks associated with the production of wind energy?
How much energy in a hurricane, a volcano, and an earthquake?
The World Hits 8 Billion People; Is That Good or Bad?
Quiz: Can You Tell Climate Change Fact From Fiction?
Did the Mayan civilization end because of climate change?
Top 5 Green Robots
5 Things to Consider When Building a Solar-powered Home
What Uses the Most Electricity in a Home?
Learn More / Page 21
Does searching through the mud of a riverbank for treasures of old sound like a fun way to spend a day? If so, you may just be a true mudlarker at heart.
According to Guinness World Records, the waves in Nazaré, Portugal, are the biggest ever surfed. Scientists attribute the massive waves to an underwater canyon, but how does it work?
By Dylan Ris
The unlikely symbiotic relationship of solar panels and agriculture is known as agrivoltaics. Is it coming to a farm near you?
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Ash flows, deadly gases and vog are just a few of the other reasons why we all need to respect volcanoes.
The decision made at the 27th General Conference on Weights and Measures will scrap leap seconds for good by 2035.
The ocean is so deep, it puts the height of Mount Everest to shame.
By Mark Mancini
You might be surprised at how little of the world's oceans scientists have investigated.
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This seismic boundary lies within Earth between the bottom of crust and the uppermost mantle. But nobody has ever dug down deep enough to confirm it exists. So does it?
The disastrous Feb. 3 train derailment contaminated East Palestine, Ohio. We talked to an expert about the potential environmental and health impacts to come.
The United States is divided into 50 states, small and large. So which is the biggest state in the U.S.A.?
You could stack the Eiffel Tower, the Washington Monument and the Statue of Liberty in Crater Lake, the deepest lake in the U.S. But, do you know what the deepest lake in the world is?
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The oceans take up most of the surface area of our planet and remain mostly unexplored. But how many oceans are there?
Sarah Palin never really said she could see Russia from her house. But how far is Russia from Alaska anyway? And can you see one country from the other?
By Mitch Ryan
You may have seen an expiration date on your bottle of water, but why? Can a natural substance like water really go bad?
By Alia Hoyt
The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?
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Zulu Time is a shorthand for describing a time that is the same no matter where you are in the world. So, how does that work?
By Alia Hoyt
If you think the largest desert in the world is hot and sandy, think again. These 10 deserts spanning the globe are massive, but they're not all sunbaked.
By Mitch Ryan
It's known as the "Gateway to Hell" and while it might not actually get you there, what it will unleash if it keeps thawing could truly be hellish.
What's the difference between moissanite and diamonds? And which of these brilliant stones wins out when it comes to the engagement ring competition?
By Mitch Ryan
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Arizona isn't all desert. Take Grand Falls, aka "Chocolate Falls." It is dry most of the year, but when it rains, this waterfall pours.
It was the world's largest diamond when mined and today it's cut into nine gems that are all part of the British Crown Jewels. But since the death of Queen Elizabeth II, questions have emerged about its imperialist history.
By Dave Roos
Scientists are concerned that the Thwaites Glacier is melting at a rapid pace, though some don't love the name "Doomsday Glacier." What does the rapid melt of this huge glacier mean for the future of our planet?
By Mark Mancini
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.
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Sunlight can break plastic down but not very fast. Is there a way to speed up the process so that natural environments like this one aren't cluttered with plastic debris for centuries?
The green movement isn't going to die just because the world ends. In fact, sustainable types might even have a leg up post-apocalypse. Here's how.
By Robert Lamb