In this video I try a simple but surprising science challenge using a glass of water, a playing card and a pile of coins. I ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

The principle of inertia is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. We are ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Scientists recently analyzed a Peruvian 10-cent piece with an unexplained origin. By Katherine Kornei A decade ago, a funny money mystery fell into the hands of scientists and students at the ...