Science

Two engineers work on one of Qilimanjaro’s quantum computers Qilimanjaro Quantum computers once seemed like fanciful machines of the future. Now, a DIY kit means that anyone with enough money and engineering skills can have one of their own. Barcelona-based …

Behind the stillness of desert landscapes, cacti appear to be changing in unexpected ways. The cactus on your windowsill may not seem like a fast mover, but new research suggests cacti are remarkably quick when it comes to producing new …

The first major update to resistance training recommendations in 17 years delivers a straightforward message. Even small amounts of resistance training can improve strength, increase muscle size, enhance power, and support overall physical function. The updated guidance, released by the …

The bright stars and constellations that dominate the night sky around the turn of the year are much-loved, from Orion and its spectacular M42 nebula, super-bright Sirius and the Pleiades open cluster. However, all of these jewels exist in the …

The National Oceanic and Atmospheric Administration’s (NOAA) Space Weather Prediction Center (SWPC) has issued a G2 geomagnetic storm warning for March 19 due to possible impact from a coronal mass ejection (CME). Geomagnetic storms are classified using a G-scale, which …

The scan takes about half an hour. You lie still while a radioactive tracer courses through your blood and binds to abnormal proteins in your brain, and the machine maps where those proteins have accumulated. It’s the most sensitive early-warning …

Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. A couple of years ago, I found myself traveling along the Drake Passage to Antarctica when our ship encountered a patch of 15-foot-tall swells. …

You can save money and help save the planet by buying used or refurbished electronics instead of new devices. Since most of the environmental impact of devices comes from the manufacturing phase, buying secondhand gear can reduce your carbon footprint. …

In northern Vermont, where I live, old newspaper clippings show pictures of people driving trucks across Lake Champlain. Those icy, ephemeral corridors, though, seem like relics of a bygone era. Roughly half a century ago, maybe more, the region started …

We’ve all instinctively clung to another person when frightened, if only as a child clutching our mother’s hand. But if that person is scared, too, this behavior may not have the desired calming effect. And a new study, published in …