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Real life sunken cities

AdultsCitiesHistoryScience...
Though people are most familiar with Plato's fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scientists to help us understand the lives of our ancestors, the dynamic nature of our planet, and the impact of each on the other.

Why the metric system matters

AdultsHistoryPhysicsPolitics...
For the majority of recorded human history, units like the weight of a grain or the length of a hand weren't exact and varied from place to place.

Rosalind Franklin: DNA's unsung hero - Claudio L. Guerra

AdultsGeneticsHistoryHuman...
The discovery of the structure of DNA was one of the most important scientific achievements in human history.

How North America got its shape

AdultsHistoryWorldGeology
North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth.

What Happened Before History? Human Origins

AdultsHistoryHumanWorld
Humans. We have been around for a while now. When we think about our past we think about ancient civilizations, the pyramids, stuff like that. But this is only a tiny, tiny part of our history.

Celsius Didn't Invent Celsius

AdultsHistoryScience
Celsius never devised nor used the scale that now bears his name.

Did The Past Really Happen? Vsauce

AdultsHistoryWorldPhilosophy
Greece is full of wonderful new things and wonderful old things. But when WE become old things, will our ruins also be tourist attractions?

Which Fish Did We Evolve From?

AdultsBiologyHistoryHuman
Today's oceans are full of fish with fins that couldn't evolve into limbs like ours. So, who are our ancestors and where did they go?

The Deadliest Ice Age Ever

AdultsHistoryLifeWorld...
Minute earth talks about the deadliest ice age ever.

Mass Extinctions

AdultsHistoryLifeWorld
How Many Mass Extinctions Have There Been?

Why are some people left-handed?

AdultsData ScienceHistorySociety...
Today, about one-tenth of the world's population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution.

Four sisters in Ancient Rome - Ray Laurence

AdultsHistorySocietyCulture...
How did the young, wealthy women of Ancient Rome spend their days? Meet Domitia and her sister Domitia and her sister Domitia and her sister Domitia. Ray Laurence sketches the domestic life of leisure that these young girls lived, despite little recorded information on women from this otherwise well-documented era.

Vampires: Folklore, fantasy and fact - Michael Molina

AdultsHistorySocietyCulture...
The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Eastern Europe, but it has differed in the terrifying details. So, how did we arrive at the popular image we know, love and fear today? And what truly makes a vampire...a vampire? Michael Molina digs up the science and the superstition.

The TRUTH About GHOSTS!

AdultsHistorySpiritualityMythology...
In folklore, mythology, and modern media such as literary fiction, a ghost (sometimes known as a spectre [British English] or specter [American English], phantom, apparition, spirit, spook, or haunt) is the soul or spirit of a dead person or animal that can appear, in visible form or other manifestation, to the living.

Evolution Of Human Species

AdultsHistoryHumanScience...
Watch the evolution of our species in under two minutes. Learn how paleoartist John Gurche draws on fossil discoveries and forensic techniques to create transfixing reconstructions of long-lost human ancestors.

The War on Science

AdultsScienceHistoryPolitics
Please VOTE for science!

The history of tattoos

AdultsArtHistory
If you have a tattoo, you're part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its function changed over time? Addison Anderson tracks the history of getting inked.