This piece was originally published on Slate. James Clapper, the director of national intelligence, has been harshly criticized for having misled Congress earlier this year about the scope of the ...

Dog barking, birdsong and human languages sound very different at first hearing. However, when analyzing these vocalizations more closely, one can find many similarities: for example, almost all human ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Citizen Science – projects which involve ...