From an evolutionary standpoint, flavor has long helped define who we are as a species, journalist John McQuaid argues in his new book, an exploration of the art and science of taste.
One of the most important medical advances may also be the simplest: hand-washing. It's the best defense against spreading disease. And its power was discovered long before anyone knew about germs.
Lawmakers also introduced a bill to strengthen laws protecting farm animals used in research. Both moves come out of a New York Times investigation of animal suffering at a federal research center.
Researchers say they've discovered a way to jump-start fat-burning by switching on the digestion process without the presence of food. So far, it has only been tested in mice.
Emojis have popped up in a handful of court cases across the country. Could the ubiquitous yellow face, a sad kitty head or a dancing alien decide a defendant's fate?
It's happened enough that it's a thing: A stellar actor is awarded for a not-so-stellar role. Many feel it happened again this week with the Oscar nominations.
Marilyn Tavenner said she was stepping down in February. She joined the Obama administration in 2010 and oversaw the problematic rollout of President Obama's signature domestic program.
This is the first time an Australian will compete in the song competition that brings in nearly 200 million viewers. The big question is: who will represent Australia at the event in May?