Uncategorized
- Astronomy
The cosmic ‘Cow’ may have produced a new neutron star or black hole
A bright, mysterious blast of extragalactic light appears to have spawned a small, compact object.
- 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.
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The triumph and fallibility of science in a historic year
Editor in chief Nancy Shute discusses the last year in science, including lessons we've learned about COVID-19, human evolution and amazing animal feats.
- Planetary Science
Ingenuity is still flying on Mars. Here’s what the helicopter is up to
NASA’s Ingenuity craft was originally planned to operate only 30 Martian days.
- 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.
- Life
Cleared tropical forests can regain ground surprisingly fast
Tropical forests can re-establish themselves on abandoned agricultural lands faster than expected, scientists say.
- Climate
Wildfire smoke may ramp up toxic ozone production in cities
A new study reveals how wildfire smoke produces toxic ozone and how urban air pollution could exacerbate the problem.
- Science & Society
These are Science News’ favorite books of 2021
Our favorite books covered the Big Bang theory, human evolution, gene editing, how to define life, pseudoscience and more.
- Animals
Gut bacteria let vulture bees eat rotting flesh without getting sick
Acid-producing bacteria in the gut of vulture bees let these “weirdos of the bee world” safely snack on animal carcasses.
- Quantum Physics
Physicists have coaxed ultracold atoms into an elusive form of quantum matter
Quantum spin liquids could be used to help protect fragile information in quantum computers.
- 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.
- Life
Light-colored feathers may help migrating birds stay cool on long flights
Analysis of over 20,000 illustrations of birds reveals that migrating birds generally tend to have lighter-colored feathers than birds that stay put.
