Meghan Rosen is a staff writer who reports on the life sciences for Science News. She earned a Ph.D. in biochemistry and molecular biology with an emphasis in biotechnology from the University of California, Davis, and later graduated from the science communication program at UC Santa Cruz. Prior to joining Science News in 2022, she was a media relations manager at the Howard Hughes Medical Institute. Her work has appeared in Wired, Science, and The Washington Post, among other outlets. Once for McSweeney’s, she wrote about her kids’ habit of handing her trash, a story that still makes her (and them) laugh.
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All Stories by Meghan Rosen
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Health & Medicine
Snake venom toxins can be neutralized by a new synthetic antibody
A lab-made protein protected mice from lethal doses of paralyzing toxins found in a variety of snakes, a new study reports.
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Agriculture
Could a rice-meat hybrid be what’s for dinner?
A hybrid food that combines rice, animal cells and fish gelatin could one day be a more sustainable way to produce meat.
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Health & Medicine
When it comes to physical activity, every bit counts
Biking to the store. Raking leaves. Playing with your kids. Scientists are getting a clearer picture of all the activities that offer health benefits.
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Animals
When do cats play fetch? When they feel like it
Most cats that play fetch picked it up on their own, a study of cat owners suggests. The felines tend to dictate when a fetching session begins and ends.
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Health & Medicine
Why weight-loss drugs became more popular than ever this year
Ozempic and related drugs can drastically reduce body weight, and more potent versions are on the way. But questions remain about who should take them.
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Health & Medicine
A gene editing technique shows promise for lowering LDL cholesterol
In a trial of 10 people with familial hypercholesterolemia, a genetic medicine reduced levels of LDL cholesterol in the blood by up to 55 percent.
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Health & Medicine
The weight-loss drug Wegovy lowered heart attack risk in a large trial
Among 17,000 adults, those on semaglutide were less likely to experience nonfatal heart attacks and strokes or death due to cardiovascular disease.
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Health & Medicine
Brain tissue may be fuel for marathon runners
Myelin, fatty tissue that insulates nerve cells in the brain, may be a renewable energy source for marathon runners and other endurance athletes.
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Health & Medicine
Newly identified stem cells can lure breast cancer to the spine
A new type of stem cell discovered in mice and humans might explain why cancer that spreads to other body parts preferentially targets the spine.
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Health & Medicine
A monkey survived two years with a miniature pig’s kidney
A new study is the latest in a string of efforts seeking to use other animal species to solve the global organ shortage in people.
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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.
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Animals
Seen Bigfoot or the Loch Ness Monster? Data suggest the odds are low
Floe Foxon is a data scientist by day. But in his free time, he applies his skills to astronomy, cryptology and sightings of mythical creatures.