Think of protein bars as grab-and-go snacks, not meal replacements. They're most helpful when whole foods aren't available or when your schedule won't allow for a proper meal. The most beneficial ...

The forensic examination of a murder victim has revealed that she had chimerism – meaning her body contained cells that were genetically distinct, as if they came from two different individuals. In ...

The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...