Explore biomagnification which can happen when toxins become more highly concentrated when moving up through trophic levels in the food chain. Uncontrolled use of DDT is used in video as an example. Learn why bioaccumulation can occur in...

If you know one thing about mosquitoes, it’s probably their lust for blood. But there’s actually one species that almost never bites, even though it can. Could finding out why help us combat blood-borne diseases?

Before she left for Chicago, Emily Graslie of The Brain Scoop sat down with Hank to discuss one of her favorite skulls from the from the Philip L. Wright Zoological Museum. Then Jessi Knudsen Castañeda from Animal Wonders joined in with...

That terrible pain the befalls us when enjoying an icy treat! How does that happen? Is there a cure? Let Hank explain.

Scientists found, on a Kenyan plateau, a tree and a monkey that you might just know. But humans make changes, as we often do, and now these small creatures may soon fade from view.

Western countries throw out nearly half of their food, not because it’s inedible -- but because it doesn’t look appealing. Tristram Stuart delves into the shocking data of wasted food, calling for a more responsible use of global resources.

Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These...

Diving under the Antarctic ice to get close to the much-feared leopard seal, photographer Paul Nicklen found an extraordinary new friend. Share his hilarious, passionate stories of the polar wonderlands, illustrated by glorious images of...

Killer whales migrate thousands of kilometers across oceans, because it's good for their skin?

The average farmer in America makes less than 15 cents of every dollar on a product that you purchase at a store. They feed our communities, but farmers often cannot afford the very foods they grow. In this actionable talk, social...

Waste not, want not.... right? Poop, in all of its various forms throughout nature, shapes the world in ways you might not imagine. One creature's waste is another's fuel, and all over nature these leftovers help new life spring up....

Author Jennifer 8. Lee explains how the chopstick spread from the East to the West -- and was designed to give you the perfect bite.

As a young scientist, Catherine Mohr was on her dream scuba trip -- when she put her hand right down on a spiny sea urchin. While a school of sharks circled above. What happened next? More than you can possibly imagine. Settle in for...

Nearly 800 million people worldwide depend on cassava for survival -- but this critical food source is under attack by entirely preventable viruses, says computational biologist and TED Senior Fellow Laura Boykin. She takes us to the...

A complete microbiome lives inside us, and believe it or not, that's a good thing.

Tissue engineer and TED Fellow Nina Tandon is growing artificial hearts and bones. To do that, she needs new ways of caring for artificially grown cells -- techniques she's developed by the simple but powerful method of copying their...

Musical innovator Andrew Bird winds together his trademark violin technique with xylophone, vocals and sophisticated electronic looping. Add in his uncanny ability to whistle anything, and he becomes a riveting one-man orchestra.

Hundreds of ant species have been farming for tens of millions of years.

Old adages can be pretty hit or miss—especially when it comes to medical advice—but it turns out there may actually be some truth to the saying, "feed a cold, starve a fever."

There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.

Hank gives us the top 5 scientifically documented reasons why breastfeeding is awesome - for both mom and baby.

In cities, evolution occurs constantly, as countless plants, animals and insects adapt to human-made habitats in spectacular ways. Evolutionary biologist Menno Schilthuizen calls on peculiar beings such as fast food-loving mice and...

Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.

Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less -- ahem -- gassy? Animal scientist Ermias Kebreab...