2,413 results
- Life
Some songbirds now migrate east to west. Climate change may play a role
In recent decades, more Richard's pipits are wintering in Europe than before. It may signal the establishment of a totally new migration route.
- Plants
A widely studied lab plant has revealed a previously unknown organ
A cantilever-like plant part long evaded researchers’ notice in widely studied Arabidopsis thaliana, grown in hundreds of labs worldwide.
- 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.
- Animals
A mink in Utah is the first known case of the coronavirus in a wild animal
A U.S. mink is so far the only known free-ranging animal to have contracted the coronavirus and likely got infected from a nearby mink farm.
- 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 FDA has approved the first drug to treat the rapid-aging disease progeria
Children with a rare genetic disorder called progeria age quickly and often die before they are 15. A newly approved drug may give them more time.
- Health & Medicine
COVID-19 testing is complicated right now. Here are answers to 6 big questions
There are two major categories of COVID-19 diagnostic tests. Here’s what you need to know when deciding whether to take an at-home test or head to the doctor.
- Genetics
Who decides whether to use gene drives against malaria-carrying mosquitoes?
As CRISPR-based gene drives to eliminate malaria-carrying mosquitoes pass new tests, the African public will weigh in on whether to unleash them.
- Genetics
Some identical twins don’t have identical DNA
Mutations arising early in development may account for genetic differences between identical twins.
- Health & Medicine
Here’s what breakthrough infections reveal about COVID-19 vaccines
Studies analyzing vaccinated people in the real world show that COVID-19 vaccines are extremely effective, but experts are keeping an eye on variants.
- Health & Medicine
What experts know so far about the delta variant
The variant, which first emerged in India, is outcompeting other highly transmissible forms of the coronavirus as it spreads around the world.
- Health & Medicine
AstraZeneca says its COVID-19 vaccine is 79 percent effective in a U.S. trial
The shot was 80 percent effective at preventing illness in people 65 and older and prevented severe disease and hospitalization.
