SciShow
When Did We Start Getting Cavities?
You would think that without dentists and fluoride mouthwash, early humans would have terrible teeth. But tooth decay depends on access to sugars and starches -- meaning most early humans had decent teeth up until the Agricultural...
MinuteEarth
Ancient Humans Made Millions Of These - We Don’t Know Why
The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
PBS
The Humans That Lived Before Us
As more and more fossil ancestors have been found, our genus has become more and more inclusive, incorporating more members that look less like us, Homo sapiens. By getting to know these other hominins--the ones who came before us--we...
PBS
The 40 Million-Year-Old Ecosystem In Your Mouth
The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while you’re alive! And scientists have figured out how to study &...
PBS
How a Supervolcano Ignited an Evolutionary Debate
The Toba supervolcano was the biggest explosive eruption of the last 2.5 million years. And humans were around to see it, or at least feel its effects! But what were those effects?
SciShow
Abilities Evolution Took From Us
A common misconception is that evolution is a long chain of progress, where organisms gain cool, new features over time. However, if a trait doesn't help with survival or reproduction, eventually it can disappear. Here are a few...
TED-Ed
What causes cavities? - Mel Rosenberg
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel...
Curated Video
What Constellations Mean to Different Cultures
The stars have guided and entertained us for thousands of years. Here we explore some of the messages people have seen in the stars through the millennia and look forward to how we might relate to the stars in the future.
Curated Video
The Role of Female Hunters in Ancient Societies
Anthropologist Randy Haas and his team discovered the remains of a teenage female who was buried with her hunting tools at a site in Wilamaya Patjxa, Southern Peru. Her remains date back almost 9,000 years and are part of a broader study...
Next Animation Studio
Ancient settlement destroyed by comet, research suggests
Impact from a comet around 12,800 years ago is believed to have wiped out a human settlement, according to new research published in Scientific Reports.
Next Animation Studio
Ancient nomads linked to modern populations
A new study sheds light on how ancient human migration in Northeastern Siberia is linked to human populations today.