Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.
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A new study finds that an Alaskan population of the fish has quickly evolved in response to warming temperatures.
Peptides extracted from scorpion venom fights off drug-resistant bacterial infections in mice.
The rate of evolution is affected for millenia after mass extinctions.
Wales creates a database of DNA barcodes for all of its native flowering plants, hoping to guide conservation and drug development efforts.
Researchers pull viable cells from bodies that had been dead for more than 2 weeks.
New research finds that older men have children and grandchildren with longer telomeres, possibly pointing to health benefits of delayed reproduction.
Vesicles released by melanoma cells stimulate pro-metastasis behaviors in bone marrow cells.
Researchers design the first rewritable biological data storage system.
Two 9,000-year-old skeletons will be held by University of California, San Diego, officials—rather than turned over to American Indians for reburial—until a lawsuit is settled.
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