Why Do We Itch?
AdultsHumanNeuroscienceHealthScience... It's one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is itching for?
What If You Never Forgot Anything?
AdultsNeuroscienceScienceHuman How does memory work? And how does... un-memory work? Our brain does a lot of remembering and forgetting every day, so you should probably make room for som info on how it works.
Your Body is Amazing ft. Christine Sydelko
AdultsBiologyHuman Discover why your body is a wonderland with Christine Sydelko!
What causes body odor? - Mel Rosenberg
AdultsBiologyHuman Most of us don't need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor.
Mom vs. Dad: What Did You Inherit?
AdultsGeneticsHuman What traits have your parents pass down to you?
What If You Didn't Sleep For A Week?
AdultsHealthHuman We all know sleep is important, but what if you just.... stopped doing it?
The science of skin - Emma Bryce
AdultsBiologyHumanScience Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square metres of ground.
What Happens In One Lifetime?
AdultsHumanLife A lot can happen during your trips around the sun!
What it Feels Like to Slide Downhill at 90 M.P.H.
AdultsHumanSportsHealth John Daly is an American skeleton racer and a two-time Olympic athlete. Sliding face-down, head-first on a slick bobsled track at 90 mph might sound insane, but for Daly, it's the thrill that keeps him coming back.
How did teeth evolve? - Peter S. Ungar
AdultsBiologyHealthHumanScienceEvolution... You may take them for granted, but your teeth are a marvel. They break up all your food over the course of your life, while being strong enough to withstand breakage themselves. How do they do it?
Should You Let A Dog Lick Your Face?
AdultsHealthHumanPets Canine and human mouths are bacterial ecosystems, but can they harm one another? "Sometimes, the oral contact between dogs and their owners can be more extensive than that between parent and child. Dogs kiss and lick their owners to express amiable emotions. This raises the possibility of transferring bacteria from the oral microbiome of dogs to their human owners."
What are mini brains? - Madeline Lancaster
AdultsBiologyHumanScience Shielded by our thick skulls and swaddled in layers of protective tissue, the human brain is extremely difficult to observe in action. Luckily, scientists can use brain organoids - pencil eraser-sized masses of cells that function like human brains but aren't part of an organism - to look closer. How do they do it? And is it ethical? Madeline Lancaster shares how to make a brain in a lab.
Where does all the snot come from? - James May's Q&A (Ep 3) - Head Squeeze
AdultsHealthHumanScience James May tells us exactly where that green snot in our nostrils comes from. He also delves into how mucus helps prevent harmful foreign objects from entering our bodies.
14 Strange Ways of Life the Ancient Egyptians Practiced
AdultsHistoryHumanSocietyCulture... We often think that we are completely different from ancient people, but archaeology shows that we are quite wrong. Here is a list of 14 unbelievable facts about the life of ancient Egyptians.