Can You Overdose on Vitamins?
AdultsHealthScience Vitamins are 13 molecules essential for life that our bodies can't make themselves.
A day in the life of an ancient Egyptian doctor
AdultsHealthHistorySociety... It's another sweltering morning in Memphis, Egypt. As the sunlight brightens the Nile, Peseshet checks her supplies.
What Would Happen If You Were Allergic To Water?
AdultsHealthScience Water seems harmless, right?
Summer Vegetable Lasagne | Jamie Oliver
AdultsFoodHealth This speedy, vegetable lasagne is full of spring and summer flavours, including asparagus, lemon, mint and peas.
3 Arguments Why Marijuana Should Stay Illegal Reviewed
AdultsBiologyHealthSociety... We take a fair look at some of the best counter arguments for legalization and see how they hold up in review.
Why Don't Sled Dogs Ever Get Tired?
AdultsAnimalsHealthNature... Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.
How one scientist averted a national health crisis - Andrea Tone
AdultsHealthHistoryWomen... In 1960, Frances Kelsey was one of the Food and Drug Administration's newest recruits. Before the year was out, she would begin a fight that would save thousands of lives - though no one knew it at the time.
What If You Fell From Space to Earth?
AdultsHealthSpace If you fell from space, what would happen to your body?
What If You Only Drank Energy Drinks?
AdultsHealthScience What happens when you put too much caffeine in your body?
Why is it so hard to cure ALS?
AdultsHealthNeuroscience Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig's Disease affects about two out of every 100,000 people worldwide.
What Makes Sleep Paralysis So Terrifying?
AdultsHealthScience What causes sleep paralysis, and do you need to be worried?
What causes headaches? - Dan Kwartler
AdultsHealthHistoryNeuroscience... In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood.
What If You Didn't Sleep For A Week?
AdultsHealthHuman We all know sleep is important, but what if you just.... stopped doing it?
Could You Be Immune To Everything?
AdultsBiologyHealth Do you remember having a cold in 5th grade? Or the flu a couple years ago? Your immune system does.
What Is The Most Dangerous Sport In The World?
AdultsHealthSports With the Olympics wrapping up, we wondered: what is the most dangerous sport?!
We Asked Bill Gates: Do You Need To Be Rich To Be Healthy?
AdultsEconomyHealthSociety... This video is in collaboration with Bill and Melinda Gates. You can check out the Gates Annual Letter here: http://b-gat.es/2Cfph0j
Why Electroshock Therapy Is Back
AdultsHealthMental HealthTechnology... Shocking the brain has come and gone as a medical treatment, but it's currently resurging, as it often provides the best form of relief for severe depression and advanced Parkinson's disease.