Scientists have created twisted laser beams that interact differently with right-handed and left-handed molecules, revealing their identity through the fragments they produce. The approach could provi...
A single 30-minute sauna session may briefly put the immune system on higher alert. Finnish researchers found that sauna heat, paired with a short cold shower, increased every type of white blood cell...
Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material called resilin lets them expand or shri...
Dreams are not random mental noise. A large study of more than 3,700 dream and waking reports found that what we experience during sleep is shaped by both our personalities and the world around us. Ra...
Unsweetened sparkling water may offer a tooth-friendlier alternative to sugary soda, according to a small preliminary study tracking how different drinks change mouth acidity. Soda caused the stronges...
Early humans in England crafted a rare piece of elephant bone into a reusable hammer for sharpening stone tools nearly 500,000 years ago. The extraordinary find reveals that ancient toolmakers were re...
Young Jupiter’s powerful magnetic field may have created a safe zone where several large moons could survive. Saturn lacked this protection, possibly explaining why Titan stands almost alone among its...
Eating within a shorter daily window may help protect certain thinking skills as people age. In a small six-month trial, older women who limited eating to about 8 to 9 hours a day performed better on ...
A controlled mouse study has provided direct evidence that inherited genetics can steer how cancer begins and evolves after DNA damage. The discovery could eventually help doctors better predict cance...
NASA astronaut Chris Williams and two Roscosmos cosmonauts are back on Earth after spending 241 days aboard the International Space Station. Their journey covered more than 102 million miles and inclu...
Giant sequoias are built to withstand ordinary fires, but recent extreme wildfires killed thousands of trees that had survived for centuries or even millennia. A new analysis of about 26,400 sequoias ...
Popular AI-powered food apps may make calorie counting easier, but they may also leave out a surprisingly large part of the meal. Four apps underestimated calories and fat by about one-third when test...
