TED-Ed
TED-Ed: How does caffeine keep us awake? - Hanan Qasim
Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can...
SciShow
What Are Eye Boogers?
Eye boogers: Not the most glamorous of bodily secretions, but important all the same. Learn why the heck you have sand in your eyes in the morning in this episode of Quick Questions.
Be Smart
5 Weird Involuntary Behaviors Explained!
Our bodies do a lot of weird things, and many of them are completely involuntary. Why do we often jerk our bodies awake right before falling asleep? Why do we yawn? Why do we hiccup? Why do some people sneeze when they look at the sun?...
SciShow
The Wild Reasons Many Older People Wake Up So Early
You might think your grandma who wakes up at 4am just needs less sleep than younger people. Not so! Studies suggest there are some bizarre reasons older people rise at the crack of dawn, including something called brain sand!
TED Talks
Alix Generous: How I learned to communicate my inner life with Asperger's
Alix Generous is a young woman with a million and one ideas -- she's done award-winning science, helped develop new technology and tells a darn good joke (you'll see). She has Asperger's, a form of autistic spectrum disorder that can...
SciShow
Most Metabolism Boosters Are BS
Despite some bold claims, most supplements can’t really "boost" your metabolism, and the actual changes we can make to it are pretty limited.
SciShow
Why Is It So Hard to Remember Things Right Now?
If you feel like you’ve been more forgetful than normal recently, you’re definitely not alone. Your memory can have a lot to do with what's happening around you.
SciShow
The Best Atomic Clock Ever Built?
Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?
TED Talks
Mathias Basner: Why noise is bad for your health -- and what you can do about it
Silence is a rare commodity these days. There's traffic, construction, air-conditioning, your neighbor's lawnmower ... and all this unwanted sound can have a surprising impact on your health, says noise researcher Mathias Basner....
SciShow Kids
The Problem With Pandas | Animal Science for Kids
What's black and white, big and fuzzy, and likes to eat bamboo all day? A panda! Join us to learn all about this rare bears and the challenges they face as their habitat disappears.
SciShow Kids
5 Reasons Why Dolphins Are Awesome
Dolphins aren't just smiley and cute! Jessi gives you 5 reasons why dolphins are awesome in this episode of SciShow Kids.
TED Talks
TED: Try something new for 30 days | Matt Cutts
Is there something you've always meant to do, wanted to do, but just ... haven't? Matt Cutts suggests: Try it for 30 days. This short, lighthearted talk offers a neat way to think about setting and achieving goals.
SciShow
Does Sensory Deprivation Really Help You Think?
Sensory deprivation tanks have grown in popularity recently, and while the research is not extensive, scientists have found some positive effects from spending some time without so much stimulation.
SciShow Kids
Why Do Ships Float?
Ever wonder why something as heavy as a cruise ship could float above the water? Learn about displacement with Jessi and The Giant Squid, Squidstravaganza!
TED Talks
Rosalind Picard: An AI smartwatch that detects seizures
Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die -- a condition known as SUDEP. These deaths may be largely preventable, says AI researcher Rosalind Picard. Learn how Picard helped develop a...
SciShow
Obesity
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.
SciShow
The Chemistry of Addiction
Hank describes how our brains respond biochemically to various addictive substances and behaviors and where those responses have come from, evolutionarily speaking.
TED Talks
Elliot Krane: The mystery of chronic pain
We think of pain as a symptom, but there are cases where the nervous system develops feedback loops and pain becomes a terrifying disease in itself. Starting with the story of a girl whose sprained wrist turned into a nightmare, Elliot...
TED-Ed
TED-Ed: How do your hormones work? - Emma Bryce
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce...
TED-Ed
TED-Ed: Daniel Finkel: Can you solve the unstoppable blob riddle?
A shooting star crashes onto Earth and a hideous blob emerges. It creeps and leaps, it glides and slides. It's also unstoppable: no matter what you throw at it, it just re-grows and continues its rampage. The only way to save the planet...
TED Talks
Matt Walker: Sleep is your superpower
Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get...
SciShow
The Teenage Brain Explained
Being a teenager is hard. Especially when hormones play their part in wreaking havoc on the teenage body and brain. In this episode, Hank explains what is happening to the during the angsty-time. ----------
SciShow
All This Noise Is KILLING Me!
The sounds we hear every day really do have effects on our health. Not just our ears, but our hearts and even our brains.
SciShow Kids
Why Do We Need Sleep?
Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!