News
- Life
Only 3 percent of Earth’s land hasn’t been marred by humans
A sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help.
- Health & Medicine
The P.1 coronavirus variant is twice as transmissible as earlier strains
The variant first found in Brazil can evade some immunity from previous COVID-19 infections, making reinfections a possibility.
- Paleontology
‘Monkeydactyl’ may be the oldest known creature with opposable thumbs
A newly discovered pterosaur that lived during the Jurassic Period could have used its flexible digits to climb trees like a monkey.
- Anthropology
A coronavirus epidemic may have hit East Asia about 25,000 years ago
An ancient viral outbreak may have left a genetic mark in East Asians that possibly influences their responses to the virus that causes COVID-19.
By Bruce Bower - Science & Society
STEM’s racial, ethnic and gender gaps are still strikingly large
Black and Hispanic professionals remain underrepresented in STEM, while women’s representation varies widely by STEM field, according to a new report.
- Health & Medicine
U.S. pauses J&J vaccine rollout after 6 people of 6.8 million get rare blood clots
The COVID-19 vaccine’s pause is out of abundance of caution, experts say. The potentially deadly clots appear to be “extremely rare.”
- Neuroscience
Surprisingly, humans recognize joyful screams faster than fearful screams
Scientists believed we evolved to respond to alarming screams faster than non-alarming ones, but experiments show our brains may be wired differently.
- Animals
Discarded COVID-19 PPE such as masks can be deadly to wildlife
From entanglements to ingestion, two biologists are documenting the impact of single-use masks and gloves on animals around the world.
- Oceans
Corals’ hidden genetic diversity corresponds to distinct lifestyles
Observation and DNA analysis expose identical reef corals as distinct species with unique ecologies, suggesting much greater coral biodiversity.
- Animals
How researchers can keep birds safe as U.S. wind farms expand
Tracking bald eagle abundance and migrating whooping cranes provides a clearer picture of where wind turbines could be safely built.
By Jack J. Lee - Climate
A trek under Thwaites Glacier’s ice shelf reveals specific risks of warm water
An underwater autonomous craft collected the first data on the chemistry of seawater eroding the icy underbelly of Antarctica’s Thwaites Glacier.
- Astronomy
A record-breaking, oxygen-starved galaxy may be full of gigantic stars’ shrapnel
The newly discovered galaxy may have once been home to stars more than 300 times as massive as the sun — a peek at conditions in the early universe.
By Ken Croswell