搜索头条
7
The treaty aims to help the countries of the world prepare for — and defeat — any future pandemic. Why hasn't it gone into effect? (Image credit: Smith Collection/Gado/)
NPR Topics: World ·
Scientists discovered a surprising backup system that lets mammalian cells make the essential amino acid cysteine even when the pathways once considered indispensable are disabled. The same survival mechanism may help cancer cells resist treatment, raising the possibility that sh
All Top News -- ScienceDaily ·
African elephants use dozens of different medicinal plants to treat themselves and their families when they are sick, research reveals.
feeds.bbci.co.uk ·
Researchers have found evidence that long COVID may damage dopamine releasing neurons in the brain, potentially explaining persistent fatigue, low motivation, slowed movement, and memory difficulties. The discovery could lead to new treatments that target the brain's dopamine sys
All Top News -- ScienceDaily ·
Stem cell transplants helped regenerate stroke-damaged brain tissue in mice, producing new neurons and restoring lost motor function. The treatment also improved blood vessels, inflammation, and the blood-brain barrier, raising hopes that a similar approach could eventually help
All Top News -- ScienceDaily ·
A large study suggests the cardiovascular benefits of GLP-1 drugs such as Ozempic, Wegovy, Mounjaro, and Zepbound can disappear surprisingly quickly when treatment stops. After two years off the medications, patients had a 22% higher risk of heart attack, stroke, and death compar
All Top News -- ScienceDaily ·
A chemical that stops drywood termites from building new exoskeletons killed about 95% of colonies in testing, offering a potentially safer alternative to traditional fumigation. Because termites eventually have no choice but to molt, the treatment turns a normal stage of their l
All Top News -- ScienceDaily ·