A weird new insight into how new species evolve

When two populations of a species are separated for many generations, their genomes start to drift apart as they adapt to their different environments. Eventually they can become two distinct species. But new research now suggests it's not always incompatible DNA that halts interbreeding — sometimes it's incompatible… » 7/22/13 3:40pm 7/22/13 3:40pm

Has a New Species of Insect Appeared in the Middle of London?

When an unknown insect starts showing up in ever-growing numbers in London, England, the most logical step would be to take one to some experts so they can identify it. What do you do when the insects first appear in the experts' own back yard, the Wildlife Garden outside the Natural History Museum? Even after… » 7/17/08 8:00am 7/17/08 8:00am