The original version of this story appeared in Quanta Magazine. In 1896, the Swedish physicist Svante Arrhenius realized that carbon dioxide (CO2) traps heat in Earth’s atmosphere—the phenomenon now called the greenhouse effect.
NASA has announced that astronauts Barry Wilmore and Sunita Williams will return to Earth next February aboard SpaceX’s Dragon spacecraft. The announcement at a press conference today caps off months of speculation about
THIS ARTICLE IS republished from The Conversation under a Creative Commons license. With the Olympic torch extinguished in Paris, all eyes are turning to Los Angeles for the 2028 Olympics. The host city
This story originally appeared on Grist and is part of the Climate Desk collaboration. No matter where you live, extreme weather can hit your area, causing damage to homes, power outages, and dangerous
Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can’t see through it, even
Amid a summer surge of Covid-19 infections, the US Food and Drug Administration just approved updated mRNA vaccines that more closely target the currently circulating variants of the coronavirus. The updated vaccines, from
On a recent Thursday afternoon, researchers Lanuza Faccioli and Zhiping Hu wheeled an inconspicuous black and white plastic cooler from an operating room at a hospital in downtown Pittsburgh. Inside was a badly
Moqadi Mokoena had been feeling uneasy all day. When he’d left his home on the outskirts of Johannesburg, South Africa, for his job as a security guard, he’d had to turn around twice,
The waterspout blamed for the deadly sinking of a luxury superyacht carrying the British tech billionaire Mike Lynch in Italy has been called a freak “black swan” event. But scientists believe this kind
With the US experiencing a relatively large summer wave of Covid-19, the Food and Drug Administration is considering signing off on this year’s strain-matched Covid-19 vaccines as soon as this week, according to
