#Biological life cycle

Author: Miss Cellania / Source: Neatorama The title character in the 1979 film Alien kept surprising us -at least the first time we saw the movie. It changed into several forms over its life cycle, from an egg to a face hugger to a chest burster to a xenomorph. It was quite otherworldly, but

Author: Laurel Hamers / Source: Science News In 1918, a pandemic of Spanish flu killed as much as 5 percent of the world’s population. A hundred years later, scientists know much more about how to prevent and treat such diseases. But in some ways, the threat of a global outbreak is greater than