Computer simulations suggest that evolution itself could be evolving, depending on environmental pressures. This would mean that not only do living things change over generational time but the ...

An H5N1 bird flu mutation associated with increased infectiousness and disease severity has been found in two cats. Since the beginning of this year, more than 50 cats have been infected with H5N1 ...

Nature and nurture both determine how likely you are to develop a particular disease. Hiroshi Watanabe/DigitalVision via Getty Images Sitting in my doctor’s examination room, I was surprised when she ...