Ever wonder why the slow moving sloth has a slightly greenish hue? Ever consider the sloth at all? Well, perhaps not.

(Inside Science) -- When you first hear it, a cicada chorus may sound like simple buzzing. But to a cicada, that cacophony is full of meaning. 

Cannabis and THC, its main psychoactive compound, have been endorsed by people suffering from anxiety, sleep problems, epilepsy, and cancer pain. What is missing from such claims is a plausible…

An algorithm that maps individual brain activity can reveal a “neural fingerprint” of  transient brain states during social interactions.