The oceans of today look different from the oceans of 20 years ago, researchers found in a new study. Around 56% of the world's oceans have changed color, with the blue waters becoming greener over ...

Chameleons are famous for their ability to change color, but they don’t do it simply to blend into whatever background ...

Adding a white, reflective coating to a rooftop can help keep a house cooler in the summer and save on air-conditioning bills. But if you live in a city with cold winters, the same coating leads to ...