Walking through a park or playing in a yard can make you feel better, both mentally and physically. Here’s how — and evidence it works for people at any age.
Rare earth elements aren’t all that rare — but skyrocketing demand for these metals makes them precious.
Act like a geologist as you drill ‘core samples’ from candy bars using a straw. Can you identify the type of candy bar just from a sample?
Monarchs with more white on their wings are more successful migrants, new research shows
New research into the behavior of moving groups of people adds to decades of study on the wisdom of crowds.
