Cases of the flu have started to decline, according to the CDC, but flu season isn't over yet. We bust some common myths on ways to avoid catching the virus.
It's unclear how many leaders have been asked to join the board, and the large number of invitations being sent out, including to countries that don't get along, has raised questions about the board's mandate and decision-making processes.
Warming temperatures are forcing Antarctic penguins to breed earlier and that's a big problem for two of the cute tuxedoed species that face extinction by the end of the century, a study said.
In his second term, the president is embracing a foreign policy that breaks sharply from U.S. tradition. Both supporters and critics say he's upending a global system in place for 80 years.
There has been a lot of conversation on social media about the downsides of polyester. But are those downsides as bad as they're believed to be? Are there upsides?