Why do we cry? The three types of tears
AdultsBiologyHumanScience...Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears.
Inspiring Video Of The Day: I Like Being 98.
AdultsLifePhilosophyHumanThis film tells the story of Evelyn who, despite her limited resources, goes out of her way to help her neighbour.
How sugar affects the brain
AdultsBiologyHealthHuman...When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves you craving more. Nicole Avena explains why sweets and treats should be enjoyed in moderation.
The Invisible Universe Of The Human Microbiome
AdultsBiologyHumanScience...The next time you look in a mirror, think about this: In many ways you're more microbe than human. There are 10 times more cells from microorganisms like bacteria and fungi in and on our bodies than there are human cells. But these tiny compatriots are invisible to the naked eye. So we asked artist Ben Arthur to give us a guided tour of the rich universe of the human microbiome.
Could Your Brain Be Hacked?
AdultsHumanProgrammingTechnology...Could technology be used to control your brain?
Can You Trust Your Eyes?
AdultsHumanSciencePsychologyHow do you know what you're seeing is real? These Illusions bring about the truth!
Isolated tribe man meets modern tribe man for the first time
AdultsHumanSocietyCulture...In the XXI century the team of Jean-Pierre Dutilleaux explorer and ethnographer had the privilege to contact in 1998, after many obstacles, with Los Toulambis a tribe that had never seen a white man, or had been involved with the outside world.
How to Memorize | How to Remember Names | Memory Speaker
AdultsHumanMental HealthEducation...Memory speaker and memory expert, Ron White, gives a quick 20 minute speech with tips on: - How to remember names - The value of remembering names - How to memorize using the roman room or method of loci - Eat foods good for the memory - Study tips for students
Gee Atherton gets hunted by a Peregrine Falcon
AdultsAnimalsHumanSports...Downhill mountain bike legend, Gee Atherton, is hunted by the fastest bird in the world, a peregrine falcon. Set in the epic landscape of Antur Stiniog, North Wales, Gee is tested in the ultimate experiment between man and bird.