Animal intelligence can be surprisingly difficult to measure. We often judge other species by our own standards, but ...

Optical illusion personality tests are very popular these days as they claim to reveal a person's true traits in a few seconds. These tests generally have weird images with one or two elements in them ...

The most read news blog of 2013 over at the Nature publishing stronghold was a discussion of whether or not crabs and lobsters feel pain. Nature just released another nugget from the public research ...