Uncategorized
- Plants
The first citrus fruits may have come from southern China
An in-depth look at the orange family tree shows the oldest Citrus ancestors arrived in Asia on the Indian tectonic plate over 25 million years ago.
- Health & Medicine
Early mRNA research that led to COVID-19 vaccines wins 2023 medicine Nobel Prize
Biochemists Katalin Karikó and Drew Weissman devised mRNA modifications to make vaccines that trigger good immune responses instead of harmful ones.
- Physics
50 years ago, scientists dreamed of lasers that could kick off nuclear fusion
In the 1970s, lasers that could initiate nuclear fusion were a distant dream. Now, scientists are using such lasers to achieve fusion “ignition.”
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The challenges of seeing the profusion of tiny life
Editor in chief Nancy Shute marvels at the diversity of tiny life-forms known as protists.
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- Science & Society
Curbing pedestrian stops might not reduce police-civilian encounters
In Chicago, traffic stops soared as pedestrian stops fell. Single policy changes therefore don’t tell the whole policing story, researchers say.
- Animals
The right bacterial mix could help frogs take the heat
Wood frog tadpoles that receive a transplant of green frog bacteria can swim in warm waters, revealing another role for microbiomes: heat tolerance.
- Health & Medicine
How a deadly fungus is so good at sticking to skin and other surfaces
One of Candida auris’ scary superpowers is its stick-to-itiveness. Unlike other fungi, the pathogen uses electrical charges to glom onto things.
- Paleontology
New computer analysis hints volcanism killed the dinosaurs, not an asteroid
Scientists take a creative approach to investigating what caused the mass extinction 66 million years ago, but the debate is far from settled.
- Cosmology
New JWST images suggest our understanding of the cosmos is flawed
JWST data don’t resolve a disagreement over how fast the universe is expanding, suggesting we might need strange new physics to fix the tension.
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Antimatter falls like matter, upholding Einstein’s theory of gravity
In a first, scientists dropped antihydrogen atoms and measured how they fell.
- Paleontology
A one-of-a-kind trilobite fossil hints at what and how these creatures ate
The preserved contents suggest the trilobite fed almost continuously and had a gut environment with an alkaline or neutral pH, researchers say.
