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How does your body know what time it is? - Marco A. Sotomayor

AdultsHumanMental HealthScience...
Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball that's hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But how do they work? Marco A. Sotomayor details how human bodies naturally tell time.

We Got Our DNA Tested, Here's How It Actually Works

AdultsGeneticsHumanScience...
Trace and Amy get their DNA test results, and we talk to an expert about how scientists actually get genetic information out of DNA.

Why Can't Chimpanzees Speak?

AdultsAnimalsHumanLanguage...
Chimpanzees are very smart animals, so why can't they speak? Tara is here to explain how a gene mutation allows humans to speak, but not chimps.

What Magnetizing Cockroaches Can Teach Us About Navigation

AdultsAnimalsHumanScience...
A new study has found cockroaches can sense the Earth's magnetic field, an ability called magnetoreception. Could humans have this sense, too?

Here's what happens to your knuckles when you crack them

AdultsHealthHumanScience
One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what he found out.

Proof of evolution that you can find on your body

AdultsAnimalsHumanScience...
You have your mom's smile, your dad's eyes, and the ear muscles of a Triassic mammal.

Weird Things Your Body Does When You're Around Your Crush

AdultsBiologyHumanRelationships...
Love has some strong effects on our bodies. From blushing to sweating, why do we react the way we do when facing a crush?

All That We Share

AdultsCultureHumanSociety
We live in a time where we quickly put people in boxes. Maybe we have more in common than what we think? Introducing All That We Share. The English version.

The Immune System Explained I - Bacteria Infection

AdultsBiologyHealthHuman...
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival.

How to master your sense of smell

AdultsBiologyHumanScience...
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

Why are we so attached to our things?

AdultsHumanSelfSociety...
After witnessing the "violent rage" shown by babies whenever deprived of an item they considered their own, Jean Piaget - a founding father of child psychology - observed something profound about human nature: Our sense of ownership emerges incredibly early.

You Can't See This (MIND TRICKS)

AdultsHumanNeurosciencePsychology...
Your eyes aren't always telling the truth.

Introverts vs Extroverts

AdultsHumanPsychologySociety
Written by Amanda Edward, Rachel Salt, Gregory Brown and Mitchell Moffit

Elephant Come To Rescue People

AdultsAnimalsHumanRelationships...
This video show the bond between Darrick and elephant Kham Lha at Elephant Nature Park when she think Darrick in trouble, so she rushed to the river and try to save him. This is can show us that, when we treat animal with love, they always paid love back to us.

You Have A Second Brain

AdultsBiologyHumanNeuroscience...
Written by Annik Carson, Gregory Brown, Rachel Salt and Mitchell Moffit

Could we survive prolonged space travel? - Lisa Nip

AdultsHealthHumanSpace...
Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutations.

Why Are Teens So Moody?

AdultsHumanPsychologyScience...
A look inside the teenage brain!

Rosalind Franklin: DNA's unsung hero - Claudio L. Guerra

AdultsGeneticsHistoryHuman...
The discovery of the structure of DNA was one of the most important scientific achievements in human history.

Will This Trick Your Brain?

AdultsHumanNeuroscienceScience...
Your eyes and brain are pretty amazing!

How the choices you make can affect your genes

AdultsBiologyGeneticsHuman...
Here's a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different - even in traits that have a significant genetic component?

What Happened Before History? Human Origins

AdultsHistoryHumanWorld
Humans. We have been around for a while now. When we think about our past we think about ancient civilizations, the pyramids, stuff like that. But this is only a tiny, tiny part of our history.