While overall memory declines as we age, that’s far from the end of the story. In fact, there are certain things older people continue to remember quite well, says researcher Alan D. Castel.

Cultured meat could be coming to our plates in the next few years. How is it made? Will it help — or hurt — the planet? Here’s what we know so far.

Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.

You won’t see these amazing animals on a day at the beach, but they’re there — living in the vast, cold, unexplored midwater region of the ocean. Learn about six of its residents and how they’ve adapted to life in the dark.

Yes, plastic straws are bad, but they’re just a teeny drop in the giant ocean of plastic we’re swimming in. Here are other everyday plastic objects that we could put on the discontinued list.

When the last blue pigment was discovered, Thomas Jefferson was in the White House. The recent creation of YInMn blue is a thrilling tale complete with expletives, accidents and invisible abilities. Just ask chemist and materials scientist Mas Subramanian.

By more clearly identifying our feelings or by recategorizing them, we can reduce suffering (yes!) and increase well-being, says neuroscientist Lisa Feldman Barrett.