Here’s what coronavirus does to the bodyFrom blood storms to honeycomb lungs, here’s an organ-by-organ look at how COVID-19 harms humans. Much remains unknown about the novel coronavirus ripping through China, but one thing is certain. The disease can cast a storm over the whole human body. Such has been the nature of past zoonotic coronaviruses, ones that hopped from animals to humans like SARS a
Secret Japanese Military Maps Could Open a New Window on Asia's PastThe recovered maps provided valuable intelligence for the United States after World War II. These maps were captured in the waning days of World War II as the U.S. Army took control of Japan. American soldiers confiscated thousands of secret Japanese military maps and the plates used to print them, then shipped them to the United
Massive galaxy clusters, such as MACS J1149.6+2223 shown here, can act as cosmic lenses, magnifying the light from distant background objects. Here, one of these clusters is showing off a distant exploding star. Photograph by NASA, ESA, and T. Treu (UCLA), P. Kelly (UC Berkeley) and the GLASS team; S. Rodney (JHU) and the FrontierSN team; J. Lotz (STScI) and the Frontier Fields Team; M. Postman (S
Harvard biologist E.O. Wilson has been leading an ambitious project over the past few years to create a free high school biology textbook custom-built for the digital age. It’s called Life on Earth. In 2012 the team released a sample chapter, and they’ve been releasing more since then. Reviewing the project early on for Download the Universe, anthropologist John Hawks had mixed feelings. He praise
Dwarf Planet Discovery Hints at Hidden World Orbiting Solar SystemPlenty of dwarf planets hide out beyond Pluto, perhaps steered by something much bigger. Discovery of an icy "dwarf" world beyond Pluto hints that a much bigger planet may hide even farther out in the dim reaches of the solar system, astronomers suggested on Wednesday. (Read "Our Solar System" in National Geographic magazine.) They
Believing you're better than you are may help you succeed, a new study says. For years, psychologists have observed that people routinely overestimate their abilities, said study leader Dominic Johnson, an evolutionary biologist at the University of Edinburgh in Scotland. Some experts have suggested that overconfidence can be a good thing, perhaps by boosting ambition, resolve, and other traits, c
Seven hundred and fifty light-years from Earth, a young, sunlike star has been found with jets that blast epic quantities of water into interstellar space, shooting out droplets that move faster than a speeding bullet. The discovery suggests that protostars may be seeding the universe with water. These stellar embryos shoot jets of material from their north and south poles as their growth is fed b
Even a regional nuclear war could spark "unprecedented" global cooling and reduce rainfall for years, according to U.S. government computer models. Widespread famine and disease would likely follow, experts speculate. During the Cold War a nuclear exchange between superpowers—such as the one feared for years between the United States and the former Soviet Union—was predicted to cause a "nuclear wi
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