When two hands are of the same type, such as a pair or a flush, first check the cards involved in the pattern. The higher rank wins—for instance, KKKK10 beats QQQQJ. If the cards involved are the same ...

Elaine Mintzer is a southern California poet and retired high school teacher who finds scientific vocabulary a useful anchor ...

NASA crews go through extensive training and have access to kit to treat medical issues in orbit, from dental problems and ...

Many astronomical events, such as meteor showers, run by calendrical timings as well. But our moon and the other planets move ...

Wonder offered a simple test. In the smart-glasses boom, the most persuasive tools aren’t about perfect sight, but day-to-day ...

“We were able to causally link a specific brain pathway to a ‘brake’ on motivation when individuals face unpleasant tasks in ...

The very, very long-lived Greenland sharks were long thought to be practically blind. But a new study finds that they not ...

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; ...

The oceans just keep getting hotter. According to new research from dozens of international scientists published in Advances ...

At 710 meters (just under half a mile) wide, this space rock sets a record for how fast it spins on its axis: about one ...

In the latest effort to undermine climate action, President Trump pulled the U.S. out of the U.N. Framework Convention on ...

A new study finds that people who quit weight-loss medications including GLP-1s regain weight four times faster than people ...