Hank tells us about the enormous concentrations of plastic debris floating around in the Pacific Ocean, why they're there and why they're a problem.

Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting...

Naming science as his chief inspiration, Mathieu Lehanneur shows a selection of his ingenious designs -- an interactive noise-neutralizing ball, an antibiotic course in one layered pill, asthma treatment that reminds kids to take it, a...

Animals eat their own poop in order to gain extra access to nutrients or to microbes that help digest those nutrients.



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Hank talks about the last major way humans are impacting the environment in this penultimate episode of Crash Course Ecology. Pollution takes many forms - from the simplest piece of litter to the more complex endocrine distruptors - and...

Dr. Lillian Glass, a world-renowned communication and body language expert, reflects on her groundbreaking work identifying and defining “toxic people,” a term she coined in her bestselling book Toxic People. Drawing on over three...

Going To Green - Deborah Moore on Green Cleaning

Welcome back to the Fluctus Channel for a mind-blowing walk with one of Indonesia's miners of volcanic sulfur. These men risk their lives to enter a 1000-foot hole at the top of a volcanic mountain to mine sulfur for just a...

Are Used Plastic Bottle Safe for Drinking Water?

Which Houseplants Are Toxic to Kids And Pets

Howcast - Learn about green pesticides in this Howcast pest control video with expert Jeff White.

Howcast - Learn what the research says about medical marijuana in this Howcast video.

Howcast - Spring cleaning does not need to be a noxious-chemical-filled affair. Here are some ideas to keep your household chores nontoxic.

Howcast - Get inspired this Halloween with unique and elaborate face paint designs. From the dazzling to the ghoulish, there's something for everyone in the family.

Howcast - Learn five cool facts about poison dart frogs from reptile and amphibian expert Jungle Bob in this Howcast video.

Howcast - Learn the top six products every home should have in order to be eco-friendly in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn about the benefits of using eco-friendly cleaning supplies in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn about the most eco-friendly types of pots and pans in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn what sustainable living is in this Howcast video featuring Alegre of Green and Greener.

Howcast - Learn if you have to avoid dry cleaning in order to be eco-friendly in this Howcast video featuring Alegre of Green and Greener.

Britney Spears fans take over London dressed as the 'Toxic' star to mark The Woman in Me book release.Source: PA / Fever PR

So you've mastered growing pothos and your spider plant is sprouting baby plantlets like crazy. You're feeling pretty good about your green thumb abilities and you're looking for a bit of a gardening challenge — but, you know, nothing...

Kara Alaimo is a professor of communication at Fairleigh Dickinson University and the author of Over the Influence: Why Social Media is Toxic for Women and Girls and How We Can Take It Back. She has written opinion and analysis pieces...

We just finished looking at some catalytic hydrogenation reactions, so let's look at another extremely important application of hydrogen gas. Ammonia is a critically important compound for many reasons, particularly fertilizer production...