It's not surprising that animals far less complex than we are would display a trait that's as generous of spirit as empathy, particularly if you decide there's no spirit involved in it at all.

He plans to offer his PGD amplification technique to fertility clinics for medical purposes such as screening for complex disorders, but won't let it be used for physical trait selection.

But general mental ability also predicts job performance, and in more complex jobs it does so better than any other single personal trait, including education and experience.