What online social networks may know about non-members

(Phys.org) -- What can social networks on the internet know about persons who are friends of members, but have no user profile of their own? Researchers from the Interdisciplinary Center for Scientific Computing of Heidelberg ...

Here's one I made earlier: Chimps learn from watching videos

(PhysOrg.com) -- Lots of species have been discovered to use simple tools. Some birds use twigs to pull grubs out of their hiding places, and chimpanzees will strip leaves from branches to fish for termites - but is making ...

Birds use social learning to enhance nest defense

Reed warblers live with the threat that a cuckoo bird will infiltrate their nest, remove one of their eggs, and replace it with the cuckoo's own. This 'parasitism' enables the cuckoo to have its young raised by unsuspecting ...

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