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160-million-year-old proteins show surprising power against superbugs
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Scientists resurrected antimicrobial peptides from mammals that lived millions of years ago and found that some were more potent against drug-resistant bacteria than modern human versions. These evolutionary relics could provide new clues for designing treatments as antibiotic re
Scientists resurrected antimicrobial peptides from mammals that lived millions of years ago and found that some were more potent against drug-resistant bacteria than modern human versions. These evolutionary relics could provide new clues for designing treatments as antibiotic resistance becomes an increasingly serious threat.
أخبار ذات صلة
Scientists may have misread a 2-billion-year-old clue about Earth
Scientists have found that a famous 2-billion-year-old chemical signature, once thought to record a massive global change in Earth’s carbon cycle, may instead have been produced by local magma, hydrocarbons, and methane-eating microbes. The discovery raises new questions about wh
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A broken rib from the world’s largest T. rex hid a 66-million-year-old secret
A broken rib from Scotty, the largest known T. rex skeleton, contains an extraordinary fossilized network of blood vessels formed while the dinosaur was healing. Scientists used neutron and X-ray imaging to look inside the 66-million-year-old bone without damaging it, revealing d
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Scientists found a surprising driver of Alzheimer’s outside the brain
Scientists found that immune cells contributing to Alzheimer’s-related brain damage may be activated in lymph nodes outside the brain before traveling into the nervous system. Blocking this pathway in mice dramatically reduced neurodegeneration and preserved cognitive abilities,
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Scientists say house cats could help unlock better cancer treatments for humans
Scientists have mapped the genetics of cat cancer on an unprecedented scale and found surprising similarities with tumors in humans. The findings could help bring precision cancer treatments to cats while also revealing new clues about how human cancers develop and respond to dru
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Scientists burned their own scrolls to unlock a 2,000-year-old mystery
Scientists discovered that tiny amounts of lead in ancient ink can make writing inside burned papyrus scrolls stand out dramatically in X-ray scans. The technique could help unlock lost Greek and Roman texts preserved by the eruption of Mount Vesuvius nearly 2,000 years ago.
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