Omicron's Arrival Is 'Wake-Up Call' That The ...

Want to be a top notch candidate for hosting alien life? Then there's a few key requirements you should be aware of: Ideally, you're a large object like a moon or a planet; scientists suspect you also have an atmosphere and water; plus, you should orbit your star from a nice mid- ...  Afficher plus

In the 1970’s TV show called Six Million Dollar Man, a test pilot is in a horrible accident. The show’s famous line goes, “We can rebuild him. We have the technology.” Now, in the 2025 book, Replaceable You, science writer Mary Roach explores how people have collectively lived up ...  Afficher plus

The story of the Omicron variant began a week ago, when researchers in southern Africa detected a version of the coronavirus that carried 50 mutations. 

When scientists look at coronavirus mutations, they worry about three things: Is the new variant more contagious? Is i ...

The World Health Organization is warning that the omicron variant of the coronavirus, which was first detected in South Africa, has a "very high" global risk because of the possibility that it spreads more easily and might resist vaccines and immunity in people who were infected ...  Afficher plus

The Omicron variant of the coronavirus is incredibly contagious — it is able to infect people with even greater frequency than the Delta variant, and it is skilled at evading the immune system’s defenses. Much is still unknown about the new variant, and scientists are racing t ...

Recent data from the C.D.C. has found that not only can vaccinated people get infected with the Delta variant of the coronavirus, though instances are rare, but they also can potentially spread the virus just as much as an unvaccinated person.

What are the practical impl ...