News
- Planetary Science
NASA’s Perseverance rover has touched down on Mars
The spacecraft will arrive at Mars on February 18, joining missions from China and the United Arab Emirates.
- Animals
A rare bird sighting doesn’t lead to seeing more kinds of rare birds
The idea that more kinds of rare birds are seen when birders flock to where one has been seen, the so-called Patagonia Picnic Table Effect, is a myth.
- Anthropology
A body burned inside a hut 20,000 years ago signaled shifting views of death
Ancient hunter-gatherers burned a hut in which they had placed a dead woman, suggesting a change in how death was viewed.
- Plants
Modified genes can distort wild cotton’s interactions with insects
In a Yucatan nature park, engineered genes influence nectar production, affecting ants’ and maybe pollinators’ attraction to the wild cotton plants.
- Psychology
In the social distancing era, boredom may pose a public health threat
Boredom contributes to pandemic fatigue and may account for why some people don’t follow social distancing rules.
- Health & Medicine
Pfizer’s vaccine appears to reduce coronavirus transmission
People who carry low amounts of the coronavirus in their bodies are less likely to spread COVID-19. Pfizer’s shot appears to help reduce viral loads.
- Physics
Tiny, sunlight-powered aircraft could soar beyond airplanes’ reach
Microfliers levitate when hit with light, in conditions like those high in Earth’s atmosphere.
- Health & Medicine
Making masks fit better can reduce coronavirus exposure by 96 percent
Double masking, rubber bands and other hacks can produce a tighter fit and prevent aerosol particles that can carry coronavirus from getting through.
- Astronomy
The number of Milky Way nova explosions per year has been pinned down
Knowing how frequently these stellar eruptions occur will help determine their contribution to the galaxy’s chemical makeup.
- Archaeology
Stonehenge may have had roots in a Welsh stone circle
Ancient migrants to southern England brought the makings of the iconic monument with them, researchers suspect.
- Science & Society
Black, Hispanic and female police use force less often than white male officers
A case study of Chicago policing suggests that diversifying to include more Black, Hispanic and female officers may improve how civilians are treated.
- Earth
Fin whale songs can reveal hidden features of the ocean floor
Fin whale calls can penetrate into Earth’s crust, offering scientists a new way to study the properties of the ocean floor.
