White sharks exhibit stark differences between the DNA in their nuclei and the DNA in their mitochondria. Until now, scientists have pointed to the migration patterns of great whites to explain these differences. Scientists tested this theory in a new study by analyzing genetic differences between global white shark populations.Continue Reading
Until now, additive manufacturing, commonly known as 3D printing, of engine components was limited by the lack of affordable metal alloys that could withstand the extreme temperatures of spaceflight. Expensive metal alloys were the only option for 3D printing engine parts until NASA’s Glenn Research Center in Cleveland, Ohio, developedContinue Reading
Acid rain is any form of precipitation that contains high levels of nitric and sulfuric acids. First coined by Scottish chemist Robert Angus Smith in 1852, acid rain can also occur in the form of snow, fog, and tiny bits of dry material that settle to Earth. Normal rain isContinue Reading
It’s a tough time to be a Democrat. The party is locked out of power in Washington, largely relegated to the sidelines as President Donald Trump pursues his sweeping agenda. Republicans are trying to redraw congressional maps in Texas and other states, adding potential hurdles to Democrats’ efforts to takeContinue Reading
The governance of Washington, D.C., has always been an experiment in coexistence. This 61-square-mile plot of land is the nation’s capital, home to the White House and Congress, federal agencies, and numerous monuments. It’s also a major U.S. metropolis in its own right, with a population larger than the statesContinue Reading
Performance art is also sometimes called shock art. It’s inherently unsettling and uncomfortable, pushing the boundaries of society, artistic expression, and even the artist’s own body to provoke a reaction. Unlike traditional mediums, performance art isn’t something you just observe—the audience becomes part of the piece itself, sometimes as unwittingContinue Reading
This article was produced by National Geographic Traveller (UK). Beyond the throng of nightlife in San Antonio and Playa d’en Bossa, Ibiza has a beautifully serene and rustic side. It’s less than an hour to drive from one end of the island to the other, so perfect territory to getContinue Reading
Close apps all you want, but don’t expect it to help your battery life. Image: Kenny Kiernan / Getty Images Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Our smartphones are often the first thing we touch in the morning, and they come withContinue Reading
Another mosquito-borne disease is on the loose, as cases involving the Chikungunya virus continue to multiply in Southern China. The Chikungunya virus (CHIKV) has recently escalated as a public health risk in China’s Guangdong Province, with 8,000 cases confirmed over the past few weeks. Spread by infected mosquitoes, the virusContinue Reading
Please complete security verification This request seems a bit unusual, so we need to confirm that you’re human. Please press and hold the button until it turns completely green. Thank you for your cooperation! Press and hold the button If you believe this is an error, please contact our supportContinue Reading
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