Words...

In research with profound implications for public health, scientists have created entirely new strains of infectious prions in the laboratory by simply mixing infectious prions from one species with the normal prion proteins of another species...

Scientists say that large flightless birds such as the ostrich and emu do not share a common flightless ancestor as once believed...

Parents expect to pass on their eye color or their big feet to their children through their genes but they don't expect to pass on viruses through those same genes...

Body-weight and fertility have long been known to be related to each other and now a master switch has been found in the brain that controls both...

An analysis of traditional Indian medicines purchased via the Internet found that 20 percent of the products contained levels of lead, mercury and/or arsenic that exceeded acceptable standards...