Uncategorized
- Earth
A spike in Arctic lightning strikes may be linked to climate change
Global warming may be revving up summer thunderstorms in the Arctic, leading to skyrocketing numbers of lightning strikes.
- Humans
New depictions of ancient hominids aim to overcome artistic biases
Artists’ intuition instead of science drive most facial reconstructions of extinct species. Some researchers hope to change that.
- Physics
Newly made laser-cooled antimatter could test foundations of modern physics
Physicists have finally used laser cooling to tame unruly antimatter atoms. That could allow new tests of symmetry and Einstein’s theory of gravity.
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Celebrating 100 years of unbiased journalism
Maya Ajmera reflects on her tenure as publisher of Science News and celebrates its 100 years of unbiased journalism.
- Materials Science
Microscopic images reveal the science and beauty of face masks
Important insights into the particle-filtering properties of different fabrics also offer a sense of the unseen, textured world of face masks.
- Science & Society
We’ve covered science for 100 years. Here’s how it has — and hasn’t — changed
Today’s researchers pursue knowledge with more detail and sophistication, but some of the questions remain the same.
- Paleontology
The dinosaur-killing asteroid impact radically altered Earth’s tropical forests
The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.
- Health & Medicine
4 takeaways from the WHO’s report on the origins of the coronavirus
The leading hypothesis is that the coronavirus spread to people from bats via a yet-to-be-identified animal, but no animals have tested positive so far.
- Life
Flamboyant fishes evolved an explosion of color as seas rose and fell
Fluctuations in sea level due to cycling ice ages may have powered an engine in tropical seas that pumped out gaudy fish species.
- Health & Medicine
Pfizer says its COVID-19 vaccine has 100 percent efficacy in young people
Vaccinated 12- to 15-year-olds developed higher levels of coronavirus antibodies compared with vaccinated 16- to 25-year-olds from a previous trial.
- Planetary Science
A meteor may have exploded over Antarctica 430,000 years ago
Tiny spherules recovered from a mountaintop suggest a space rock broke apart midflight and sprayed debris across thousands of kilometers.
