Report claims Wikipedia losing editors in droves

(PhysOrg.com) -- The findings of a Spanish study claiming that Wikipedia's editors are leaving at an alarming rate have been refuted by the Wikimedia Foundation and by Wikipedia co-founder Jimmy Wales.

A whiff of tears reduces male aggression, says study

Watching someone cry often evokes an emotional response—but according to a new study published Thursday, human tears themselves contain a chemical signal that reduces brain activity linked to aggression.

Experiment volunteers 'to land on Mars'

A group of volunteers will on Saturday reach a key stage in an unprecedented one-and-a-half year experiment to study the effects of a mission to Mars when they "land" on the Red Planet's surface.

Amateur skywatchers help space hazards team

For the first time, observations coordinated by ESA's space hazards team have found an asteroid that comes close enough to Earth to pose an impact threat. The space rock was found by amateur astronomers, highlighting the ...

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