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4 articles from PhysOrg

Tree trunks take a licking as koalas source water

Koalas are one of the world's most charismatic animals. But there is a lot we still don't know about them. For example, how do the marsupials access water in the treetops? Do they only absorb moisture from the gum leaves they eat? Or do they come down from the trees to drink from a waterhole? Until now, no one really knew.

Why smartphones are digital truth serum

Researchers from University of Pennsylvania published a new paper in the Journal of Marketing that explains that the device people use to communicate can affect the extent to which they are willing to disclose intimate or personal information about themselves.

Damage reported as 5.4-magnitude quake strikes Puerto Rico

A 5.4-magnitude earthquake struck near southern Puerto Rico on Saturday, briefly knocking out power and forcing the relocation of at least 50 families on an island where some people still remain in shelters from previous quakes earlier this year. There were no immediate reports of casualties.