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You Think You Know What Meat Is... But You Have No Idea (Part 1 of 3)

AdultsFoodScienceHistory
Eating meat has been part of the human identity for 2.5 million years, but according to science, what exactly is meat?

The myth of Oisin and the land of eternal youth - Iseult Gillespie

AdultsHistoryReligionSpirituality...
In a typical hero's journey, the protagonist sets out on an adventure, undergoes great change and returns in triumph to their point of origin. But in the Irish genre of myth known as echtrai, the journey to the otherworld ends in a point of no return. Iseult Gillespie shares the myth of Oisin and the land of eternal youth.

How to Figure Out the Day of the Week For Any Day Ever

AdultsHistoryMathCreativity...
You might think that computers are the only things that run algorithms, but you're wrong. Here's a neat mental trick for calculating the day of the week for any day ever, developed by famous mathematician John H. Conway

14 Strange Ways of Life the Ancient Egyptians Practiced

AdultsHistoryHumanSociety...
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.

Different types of chopsticks, explained

AdultsFoodHistoryCulture
They might look similar but there's differences between Japanese, Chinese and Korean chopsticks. Chopstick expert Edward Wang explains.

This Particle Breaks Time Symmetry

AdultsHistoryPhysicsScience
Increasing entropy is NOT the only process that's asymmetric in time.

World's First Car!

AdultsHistoryTechnologyAutomotive
I got to drive the world's first car (replica), patented by Benz in 1886

The complicated history of surfing - Scott Laderman

AdultsCultureHistorySports
Today, surfing is a multi-billion-dollar global industry, with tens of millions of enthusiasts worldwide. For some it's a serious sport; for others, just a way to let loose. But despite its casual association with fun and sun, surfing has a richer and deeper history than many realize. Scott Laderman shares the hidden history of surfing.

History vs. Che Guevara - Alex Gendler

AdultsHistoryPoliticsSociety
His face is recognized all over the world - the young medical student who became a revolutionary icon. But was Che Guevara a heroic champion of the poor, or a ruthless warlord who left a legacy of repression? Alex Gendler puts this controversial figure on trial in History vs. Che Guevara.

The myth of Prometheus - Iseult Gillespie

AdultsArtHistorySpirituality
Before the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight, persuaded his brother Epimetheus to fight with him on the side of the Gods. Iseult Gillespie shares the myth of Prometheus.

Why Is Your Grandma So Short?

AdultsFamilyFoodHistory
Nutrition during the first few years of life has a huge impact on adult height, and since nutrition has been getting better over time, humanity - including your family - is getting taller.

Explore cave paintings in this 360 animated cave - Iseult Gillespie

AdultsArtHistoryCulture
The paintings of our ancestors have been preserved in caves all over the world; the oldest we've found were made up to 40,000 years ago. What do these images tell us about the ancient human mind and the lives of their creators? In this special 360 TED-Ed animation, explore an ancient cave and its surroundings as Iseult Gillespie shares a brief history of cave paintings.

How aspirin was discovered - Krishna Sudhir

AdultsHistoryScience
4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they'd found was destined to influence the future course of medicine. Krishna Sudhir traces the history of aspirin.

An Asteroid Didn't Kill the Dinosaurs, Here's a New Theory About What Did

AdultsAnimalsGlobal WarmingHistory...
A new scientific model has discovered what actually happened to the earth after the asteroid impact that killed the dinosaurs.

5 useless human body parts left over from evolution

AdultsHistoryHumanBiology...
Your body is walking proof of evolution, but some parts have grown unnecessary over time. Here are five useless body parts left over from evolution.

A brief history of banned numbers - Alessandra King

AdultsHistoryMathCulture...
They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religious tracts and revolutionary manifestos to censored and burned books, we know the potential power of words to overturn the social order. But as strange as it may seem, some numbers have also been considered dangerous enough to ban. Alessandra King details the history behind illegal numbers.

New York: America's MEGACITY

AdultsCitiesHistoryWorld...
The story of New York City, America's megalopolis.