Rather than being designed by chemists, this class of pharmaceuticals is produced by living cells. Here's where they come from and how they work.

Hong Kong’s autonomy and democratic political system are under threat, and pro-democracy advocates are once again ready to act.

A high school science test, a Psych 101 course, long job applications: Sometimes it's hard to be motivated to succeed. As it turns out, how you respond to difficulty and ease can make all the difference.

The Americans with Disabilities Act turns 27 this year. But true equality is still out of reach for many – and it's everyone's responsibility to fulfill the promise of the law.

Economic trends, not politics, typically influence how money money Americans donate to charity. Yet some advocacy groups say their donations surged after the 2016 presidential election.

The globe is greening as plants grow faster in response to rising carbon dioxide. But a new analysis shows they aren't using more water to do it - a rare piece of good news for our changing planet.

Sophisticated systems keep planes in bubbles of safety.

We've all endured infections. Here's how it works when our bodies are attacked by viruses, bacteria or parasites, and our innate immune system becomes the first line of defence.

Under the Trump administration Africa is only likely to matter in the fight against terrorism and in providing American companies with economic opportunities.