Humans
- Health & Medicine
Why the coronavirus’s delta variant dominated 2021
Mapping delta’s unique group of mutations and how they enhance the virus’s life cycle show why the variant spread so easily and caused so much havoc.
- Archaeology
Neandertals were the first hominids to turn forest into grassland 125,000 years ago
Neandertals’ campfires, hunting and other activities altered the land over 2,000 years, making them the first known hominids to impact their environs.
- Health & Medicine
In 2021, COVID-19 vaccines were put to the test. Here’s what we learned
Vaccines can’t single-handedly end the pandemic, but they are still essential in the fight against the coronavirus.
- Health & Medicine
How sleep may boost creativity
In a lab experiment, people who had fallen into a shallow sleep were more likely than non- or deep sleepers to later discover a sly math trick.
- Microbes
A bacteria-virus arms race could lead to a new way to treat shigellosis
As bacteria that cause shigellosis evolve to escape a virus, the microbes may become less deadly, a hopeful sign for “phage therapy.”
- Anthropology
2021 research reinforced that mating across groups drove human evolution
Fossils and DNA point to mixing and mingling among Homo groups across vast areas.
- Health & Medicine
For 50 years, CT scans have saved lives, revealed beauty and more
In 1971, the first CT scan of a patient laid bare the human brain. That was just the beginning of a whole new way to view human anatomy.
- Health & Medicine
A massive 8-year effort finds that much cancer research can’t be replicated
A project aiming to reproduce nearly 200 top cancer experiments found only a quarter could be replicated.
- Health & Medicine
Tiny living machines called xenobots can create copies of themselves
When clusters of frog cells known as xenobots form a Pac-Man shape, they are especially efficient at replicating in a new way, researchers say.
- Health & Medicine
Merck’s COVID-19 pill may soon be here. How well will it work?
Once hailed as a potential game changer, more complete data now reveal drawbacks of Merck’s antiviral COVID-19 pill, molnupiravir.
- Health & Medicine
What we know and don’t know about the omicron coronavirus variant
The new omicron variant has lots of mutations and sparked a surge of cases in South Africa, but researchers still don’t know a lot about it.
- Anthropology
Ancient footprints suggest a mysterious hominid lived alongside Lucy’s kind
A previously unknown hominid species may have left its marks in muddy ash about 3.66 million years ago in what is now East Africa.
