Wild mammals are making a comeback in Europe thanks to conservation efforts 
Svante Pääbo wins Nobel Prize for discovering an extinct human species via DNA
Three reasons “you” won’t return after this life
Paradox-free time travel is “logically” possible, say physicists
A neural network discovered Copernicus’ heliocentricity on its own
Laser scans reveal ancient cities hidden in the Amazon river basin
How to be happy: Aristotle’s 11 guidelines for a good life
The true meaning of Einstein’s most famous equation: E=mc²
5 drugs that changed the world (and what went wrong)
The Singularity: When will we all become super-humans?