SciShow
Why Diet Might Be a Big Deal for Mental Health
Mental health is super complicated. And many things, from your genetics to your environment, can affect it. But what you EAT might be having a big impact on your mental health, too.
SciShow
The World's Most Asked Questions | Compilation
A while back, we were tasked with answering some of the world's most asked questions. So here, in one convenient location, are some of those questions and their answers.
TED Talks
Jeff Speck: The walkable city
How do we solve the problem of the suburbs? Urbanist Jeff Speck shows how we can free ourselves from dependence on the car -- which he calls "a gas-belching, time-wasting, life-threatening prosthetic device" -- by making our cities more...
SciShow
Why Our Brains Love Junk Food
Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.
SciShow
What Happens If You Stop Pooping?
Constipation is no fun. Luckily, it can usually be remedied with a handful of prunes, a few cups of coffee, and some patience. However, if you don't poop for a long, long time, constipation can develop into some serious health problems.
TED Talks
Sandrine Thuret: You can grow new brain cells. Here's how
Can we, as adults, grow new neurons? Neuroscientist Sandrine Thuret says that we can, and she offers research and practical advice on how we can help our brains better perform neurogenesis—improving mood, increasing memory formation and...
TED Talks
Dean Ornish: The killer American diet that's sweeping the planet
Forget the latest disease in the news: Cardiovascular disease kills more people than everything else combined -- and it’s mostly preventable. Dr. Dean Ornish explains how changing our eating habits can save lives.
TED-Ed
TED-Ed: Why are sloths so slow? - Kenny Coogan
Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and...
TED Talks
Lisa Mosconi: How menopause affects the brain
Many of the symptoms of menopause -- hot flashes, night sweats, insomnia, memory lapses, depression and anxiety -- start in the brain. How exactly does menopause impact cognitive health? Sharing groundbreaking findings from her research,...
SciShow
Turns Out "The Lorax" Is Probably a Real Monkey
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.
TED Talks
TED: What does the future hold? 11 characters offer quirky answers | Sarah Jones
Sarah Jones changes personas with the simplest of wardrobe swaps. In a laugh-out-loud improvisation, she invites 11 "friends" from the future on stage—from a fast-talking Latina to an outspoken police officer—to ask them questions...
TED Talks
TED: Can we eat to starve cancer? | William Li
(NOTE: This talk was given in 2010, and this field of science has developed quickly since then. Enjoy it as a piece of science history but not as the last word on this topic. Read "Criticisms & updates" below for more details.) William...
Be Smart
Should You Eat Everyday?
An intermittent fasting diet is one of the hippest new nutrition and fitness philosophies, based around the idea that going hungry can be good for your health. Some think it's a weight loss secret that calls upon our ancient evolutionary...
TED Talks
Marcel Dicke: Why not eat insects?
Marcel Dicke makes an appetizing case for adding insects to everyone's diet. His message to squeamish chefs and foodies: delicacies like locusts and caterpillars compete with meat in flavor, nutrition and eco-friendliness.
Be Smart
I Don't Think You're Ready for These Jellies
Joe Hanson went behind the scenes at the Monterey Bay Aquarium to learn about jellyfish.
SciShow
The Neolithic Diet: New Details About What's in the Iceman's Stomach
An analysis of samples taken from the Iceman’s stomach has revealed new details about what people were eating thousands of years ago!
SciShow
Gluten
Gluten is a sticky protein composite found in cereal grains. Hank gives us some insight into the importance of gluten in history, as well as its impact on health in our own time.
SciShow
3 Surprising Ways Your Intestines Affect You
Your digestive system impacts the rest of your body in all sorts of unexpected ways, from keeping your heart healthy to literally making you feel happier.
SciShow
How Do Pandas Exist?
Adorable, sure, but how are you alive?? Giant pandas present a conservation challenge like no other. Find out how the bears eke out an existence in the wild, and why they're proving so hard to save.
SciShow
Facts about Human Evolution
Hank brings you the facts, as they are understood by scientists today, about the evolution of humans from our humble primate ancestors. On the way to becoming Homo sapiens, game-changing evolutionary breakthroughs led to the development...
SciShow
How a Bee Becomes Queen
Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.
TED Talks
TED: What seaweed and cow burps have to do with climate change | Ermias Kebreab
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...
TED-Ed
TED-ED: Tracking grizzly bears from space - David Laskin
Grizzly bears stick to a mostly vegetarian diet in sync with plant growing seasons. However, as grizzlies' habitats grow smaller, food is harder to come by. Using NASA satellites, scientists track the shifting, interrelated patterns of...
SciShow
High-Fructose Corn Syrup: The "Dark Lord" of Nutrition
Hank takes on high fructose corn syrup - the new "dark lord of nutrition" - to help explain the ambiguities around all the claims being made about it.