If you really want to know about birds, you have to consider the crocodile. That point was driven home this week with the release of the genomes of 45 bird species, which reassigned some perches on ...

As scarce as hen's teeth? Well, that depends. Researchers in Wisconsin discovered some years ago while working with a chicken embryo for another study that the bird had rudimentary teeth. They ...

Where can they be seen? 10 insects that look deadly but are actu... 10 hidden signs that indicate a person l ...