Life

Catnip repels insects. Scientists may have finally found out how

A whiff of catnip can make mosquitoes buzz off, and now researchers...

Why do sea turtles, penguins and sharks sometimes just swim in circles or spirals?

Marine science has its own crop circle mysteries. Sea turtles, sharks, penguins...

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The oldest genetic link between Asians and Native Americans was found in Siberia

DNA gleaned from a roughly 14,000-year-old fragment of a human tooth suggests that people inhabiting a surprisingly large swath of Asia were...

The Milky Way makes little galaxies bloom, then snuffs them out

If you’re a small galaxy and want to mint new stars, come to the Milky Way — but don’t get too close...

The closest black hole to Earth may have been spotted 1,000 light-years away

The closest black hole to the solar system ever spotted may be just 1,000 light-years away. This newfound dark neighbor is at...

This is the oldest known string. It was made by a Neandertal

In a new twist on Neandertals’ Stone Age accomplishments, our close evolutionary relatives wound bark fibers into strings that could have been...

Quasar winds with record energy levels were seen fleeing a distant galaxy

Black holes in the distant universe blow winds with 100 times the energy of all the stars in the Milky Way combined....

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Close relatives of the coronavirus may have been in bats for decades

Viruses from the coronavirus lineage responsible for COVID-19 have been circulating in bats for decades, long before the virus started infecting people...

‘It’s the most stressful environment I’ve ever worked in’ — how COVID is affecting Europe’s teachers

With Europe in the throes of a second wave of the coronavirus, teachers are among those bearing the brunt of the crisis...

Beets bleed red but a chemistry tweak can create a blue hue

Beet juice is red. Now chemists turned it blue. It might have potential for consumers like you. Natural colorings...

COVID-19’s death rate in the U.S. could spike as new cases soar

Christopher Petrilli, an internal medicine doctor in New York City, cared for hospitalized COVID-19 patients when the city was at the epicenter...

Abortion opponents protest COVID-19 vaccines’ use of fetal cells

Senior Catholic leaders in the United States and Canada, along with other antiabortion groups, are raising ethical objections to promising COVID-19 vaccine...