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Stroke drug improves memory and repairs injured brain tissue in mice
Unlike existing treatments that focus on rehabilitation or reducing the risk of an additional stroke, the experimental drug targets the…
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Coronavirus may enter the brain by building tiny tunnels from the nose
How the virus behind covid-19 enters the brain was somewhat of a mystery, but new evidence hints it may build…
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The Slow Bake of Our Infrastructure
As England, Spain and huge swaths of the U.S. deal with record-shattering high temperatures, the time has come to stop…
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Gene therapy trial shows early success in people with haemophilia B
In a small study of 10 people with haemophilia B, nine were still forgoing the condition’s standard treatment about two…
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Polar Bears That Persist
Fionna M. D. Samuels: This is Scientific American’s 60-Second Science. I’m Fionna Samuels. The life of a polar bear is…
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What Are the Risks of COVID and Treatments Available to President Biden?
The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. On July 21,…
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How to Make Sure Wildfire Shelters Save Firefighters’ Lives
Wildfires burn hot, fast and unpredictably. Although wildland firefighters receive extensive training to keep themselves safe, they sometimes become cut…
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Controversial idea that T. rex was three species comes under fire
By Carissa Wong Variation in Tyrannosaurus rex fossils has led some to suggest that they aren’t all from the same…
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Meet the Giant Sequoia, the ‘Super Tree’ Built to Withstand Fire
When the Grizzly Giant sprouted from the ground in what is now Yosemite National Park, the Roman Republic was nearly…
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Ancient DNA adds to evidence for Native Americans’ east Asian ancestry
Genetic analysis of a woman’s skull from 14,000 years ago found in south-west China suggests she was related to an…
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