News
- Health & Medicine
How coronavirus variants may drive reinfection and shape vaccination efforts
New coronavirus variants could infect people who have already recovered from COVID-19 or been vaccinated, but there are still many unknowns.
- Health & Medicine
The animals that ticks bite in the U.S. South can impact Lyme disease spread
Ticks in the north primarily attach to mice, which do a good job of infecting them with Lyme bacteria, setting up the spread to people.
- Astronomy
Two exoplanet families redefine what planetary systems can look like
The TRAPPIST-1 and TOI-178 systems, both home to multiple bunched-up planets, have densities and orbits that defy expectations.
- Health & Medicine
Nearly half a million U.S. children missed out on lead tests in early 2020
A big drop in routine lead tests, which can identify children with elevated blood levels, is another troubling sign of the pandemic’s toll.
- Animals
A new chameleon species may be the world’s tiniest reptile
The newly described critters, found in the northern forests of Madagascar, may be threatened by deforestation.
- Earth
An upwelling of rock beneath the Atlantic may drive continents apart
Rock rising from more than 600 kilometers deep at the Mid-Atlantic Ridge may play a more active role in plate tectonics than thought.
- Animals
How a tiny spider uses silk to lift prey 50 times its own weight
Dropping the right silk can haul mice, lizards and other giants up off the ground.
- Archaeology
An ancient Egyptian mummy was wrapped in an unusual mud shell
Commoners in ancient Egypt may have used mud in place of expensive resin to imitate royal mummification techniques.
- Physics
The Milky Way’s newfound high-energy glow hints at the secrets of cosmic rays
Gamma rays with energies approaching a quadrillion electron volts emanate from the disk of the Milky Way.
- Paleontology
This ancient sea reptile had a slicing bite like no other
Right up until 66 million years ago, the sea was a teeming evolutionary laboratory with a small, agile, razor-toothed mosasaur patrolling the waters.
- Health & Medicine
COVID-19 precautions may be reducing cases of flu and other respiratory infections
The same efforts to prevent COVID-19’s spread can keep other respiratory infections at bay. But once we go back to normal, outbreaks could be larger.
- Climate
Ship exhaust studies overestimate cooling from pollution-altered clouds
Lines of clouds formed by ship exhaust offer a window into aerosol-cloud interactions but may overestimate how much pollution-altered clouds cool the climate.
