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Close social relationships are known to contribute to the survival of many animals, including humans. Maintaining social bonds over time, however, can also require effort and sacrifices.
Wikipedia’s 68m articles have been consulted trillions of times. Not bad for a website that has barely changed since it was founded 20 years ago A few years ago, I was struck by the tension between how Wikipedia was used, and how it was talked about. Everyone was on it all the time, and yet its...
A Japanese space mission is about to launch towards Mars. But it will not land on the planet itself. Instead, the Martian Moons Exploration (MMX) mission will focus on Phobos, the bigger of Mars's two small moons.
The matter has achieved some urgency since NASA has officially issued a request for private companies to propose their own space stations.
On Oct. 18, 1963, a cat went to space! Félicette was a French "catstronaut" who became the first and only feline to fly to space.