Share this on WhatsApp More than 200 million people get malaria each year. And about half a million die—mostly in Africa, many of them children. And those staggering numbers are an improvement. Malaria deaths have been cut in half since 2000. In many places, a remarkably simple tool has led the fight: bed nets treated […]
Share this on WhatsApp Originally published in January 1948 Credit: Scientific American Advertisement “Until recently geophysicists researching the earth’s magnetic field sent out survey parties with a magnetometer. Frequently the party had to hack its way through the bush to collect data. It was slow, expensive work. Today geophysicists can use a dramatic refinement of […]
Share this on WhatsApp The Arctic’s permafrost is melting—and fast. That’s bad news, because these frozen soils store billions of tons of carbon, just waiting to be unleashed. So is there a way to save the permafrost? One team of researchers thinks it may have found a possible solution: big animals, herbivores—animals that eat only […]
