If you get too much sleep, you're not doing your body any favors either

Cannabis psychoactive can now be made in the lab without any plants needed

Costa Rica poised to become world's first fossil fuel-free country

This ingenious technique could turn plastic waste into clean fuel

Tesla releases new 'dog mode' for pet owners

Students in Finland offer a succinct lesson in commuting

8 pioneering black women in science, technology and medicine

Scientists create a 'Star Trek'-style replicator

Why Florida is the most dangerous state (by far) for pedestrians

Move over lithium-ion batteries, sodium-ion is the new hotness

Vampire power is back, and it's thirstier than ever in the new smart home

New laser technology beams personal audio messages directly to your ear