Even if you take the energy and water it takes to build a dishwasher into account, it still beats washing by hand.

Computers can't solve this chess problem. Can you?

Get an in-depth look at the process of making organic cocoa beans into chocolate bars.

H&M is the most ethically minded of the cheap clothing stores, but it still promotes virtually throwaway retail. What's a conscious shopper to do?

Greening the urban environment is important. Sticking a roof garden on a moving bus is an odd way to do it.

I was recently taking a shower in my bathroom when I looked up and noticed what I think was black fuzz and dots growing on my ceiling! Why does mold seem to lik

Raising a child is an expensive undertaking, and new parents can get a severe case of sticker shock even before they've left the maternity ward.

Born 100 years ago today, President Richard Nixon has seen a revival of late as an environmental champion.

NASA's Curiosity rover has made a surprising find that could help scientists get one step closer to figuring out if Mars has ever supported life.

Worried about input costs, beer titan Molson Coors went green mainly to save green. If the end result - less waste - is to the planet's benefit, why should we c

For people over 75, a diet high in sugar and fat doesn’t have much of a negative health impact.

Diet and exercise can help people with Type 2 diabetes lose weight, but that weight loss may not translate into a lower risk of heart problems.

Many people today get their news via Facebook, but most probably give little thought to how the social media network filters the stories they see.

As more states legalize cannabis for health treatments, here's a rundown of the science.

A water molecule's "residence time" in a given system can help us understand how pollution moves through water and help protect this valuable natural resource.

You're not imagining it when the world falls into a hush during a snowfall.

Complete catalog for the corn gene will have far-reaching implications in the fight against hunger and disease.

Just ask Jenna and Guillaume, who quit their 9-to-5 jobs to pursue their dream of touring North America in a custom-built tiny house.

At the UN climate talks this week in Tianjin, polar bear leads a class in Tai Chi to teach negotiators about what "balance" really means.

Weather Channel's futuristic weather report is based on current climate science and was released as part of the U.N. Climate Summit.

Do you even know what the night sky looks like sans human interference?

President Elect Obama could pick an actual scientist to head the Department of Energy.

From work perks to technology tweaks, this country aims to make everyday living easier.

John Addison says finding your inner calm will get you more than halfway there. His new book shows you how.

On a farm in England, Gavin Munro trains trees into beautiful and functional shapes.

Iceland's ION Luxury Adventure Hotel isn't so much about the hotel itself but about the stunning, otherworldly landscapes that surround it.

World Elephant Day, National Dog Day and Southern Hemisphere Hoodie-Hoo Day are just a few celebratory days to mark on your calendar.

What does a splintering iceberg sound like underwater? Imagine the cracks and pops of an ice cube melting in a glass of lemonade multiplied on a colossal scale.

While Morieka Johnson usually loves a good bargain, she knows that when it comes to local, sustainably raised beef, you get what you pay for.

A new study finds footwear desensitizes feet and may even affect balance. It's time to embrace the callus.

We explore the risks and benefits of drinking a glass of wine a day.

A new book, "Popular: The Power of Likability in a Status-Obsessed World," suggests that status matters throughout life, not just in high school.

The phrase 'cold turkey' has nothing to do with a turkey that's shivering from the cold.

Is the food you're eating healthy? The answer should be simple, but it's not.

'Big River,' a companion film to 'King Corn,' explores the wide-reaching water pollution problems created by monoculture farming.

We get why the artists chose this common vegetable to represent America, but if you could choose a food, what would it be?

When you clear your house of clutter and follow Marie Kondo's directive to keep only joyful things, here's how to make sure those items get a second life.

Poor health, and not unhappiness, was the true cause of early death, the researchers said.

Testing for food safety brings to light many frightening food infractions; even an innocent-seeming pizza can be suspect.

There's a debate about whether liquid plant-based foods should be labeled as milk. Is it time to change the definition of milk?

Your water won't 'go bad' after that date, but there are good reasons it's on the bottle.

The shell doesn't always protect eggs from becoming infected with salmonella.

Those food storage beeswax cloths and bags you've been noticing? They work.

The sounds the sun makes would not be music to human ears.

A Canadian writer living in the U.S. has lived with both. She clears the air about "death panels" and other myths.

The Department of Energy is hard at work making the U.S. energy efficient. Unfortunately, it failed its own energy audit.

The U.S. Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E) has awarded $151 million to 37 forward-thinking energy research projects.

Two groups have received $80 million in funding from the ARRA for advanced biofuels research.

In the latest installment of the Faces of the Recovery Act video series, the U.S. Department of Energy showcases 1366 Technologies.

The U.S. Department of Energy’s American Recovery and Reinvestment Act update webinar archive is now available for viewing.