Secrets Revealed: Think You Know the Whole Story?

Think you know the whole story? Phil and Stephen discuss surprising recent discoveries in a variety of areas.

Comet Collision Could Have Caused Rapid Carbon Rise

A Single Migration From Africa Populated the World, Studies Find

The moon has hundreds more craters than we thought

Observable Universe contains ten times more galaxies than previously thought

"One of the most fundamental questions in astronomy is that of just how many galaxies the Universe contains. The Hubble Deep Field images, captured in the mid 1990s, gave the first real insight into this. Myriad faint galaxies were revealed, and it was estimated that the observable Universe contains about 100 billion galaxies. Now, an international team, led by Christopher Conselice from the University of Nottingham, UK, have shown that this figure is at least ten times too low."

OTHER GEEK

PlayStation VR review: When good enough is great

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