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SciShow
The Zombie Planet at the Center of the Earth
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.
Next Animation Studio
Scientists find hidden layer in Earth’s inner core
Researchers from the Australian National University have found evidence of an additional layer inside the Earth’s inner core
Science Friday Initiative
Science Friday: Ancient Dna
Why DNA in ancient ice might tell us how life on earth DIDN'T start! Learn from an audio lecture that if bacteria were to have arrived on Earth riding on a comet or asteroid, the DNA of the organisms would likely have been too corrupted...
Science Friday Initiative
Science Friday: Ancient Earth May Have Smelled Like Rotten Eggs
Learn how early Earth may have smelled like rotten eggs with this audio lecture! Lecture discusses bacteria-like creatures living nearly two billion years ago belched hydrogen sulfide, the signature stench of rotten eggs. [11:34]
Science Friday Initiative
Science Friday: An Earlier Departure Out of Africa?
Learn how the discovery of a stone toolkit may push back the date when humans first left Africa in this audio lecture. [0:48]
Science Friday Initiative
Science Friday: Ancient Dna Offers Clues About Climate Change
What can ancient DNA can tell us about the effects of climate change? Learn how researchers analyzing ice cores drilled deep from beneath Greenland have amplified samples of DNA trapped within the ice and found that Greenland may have...