What experts know so far about COVID-19 boosters for immunocompromised people
Some immunocompromised people remain at risk for severe COVID-19 despite being vaccinated. Studies hint that an additional vaccine dose might help.
Category Archives: Science
How do scientists calculate the age of a star?
There are a few different methods to determine the age of a star, but none are perfect.
A partial skeleton reveals the world’s oldest known shark attack
An ancient shark bite victim died quickly, before his body was recovered and buried, a new study finds.
Marsquakes reveal the Red Planet boasts a liquid core half its diameter
Analyses of seismic waves picked up by NASA’s InSight lander shed new light on the planet’s core and give clues to the thickness of the crust.
Pterosaurs may have been able to fly as soon as they hatched
A fossil analysis shows the flying reptile hatchings had a stronger bone crucial for lift-off that adults and shorter, broader wings for agility.
The coronavirus cuts cells’ hairlike cilia, which may help it invade the lungs
Images show that the coronavirus clears the respiratory tract of hairlike structures called cilia, which keep foreign objects out of the lungs.
NASA’s Perseverance Mars rover has begun its first science campaign
Now about 1 kilometer south of its landing spot, the rover has spotted several promising spots in its search for hints of ancient life.
How intricate Venus’s-flower-baskets manipulate the flow of seawater
Simulations show that a deep-sea glass sponge’s intricate skeleton creates particle-trapping vortices and reduces the stress of rushing water.
A century of astronomy revealed Earth’s place in the universe
The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins.
This butterfly is the first U.S. insect known to go extinct because of people
A 93-year-old Xerces blue specimen’s DNA shows that the butterfly is a distinct species, making it the first U.S. insect humans drove to extinction.