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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 drugs. from Latest Science News -- ScienceDaily https://ift.tt/TLOfbrn
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A major risk of breast cancer screening may have been overestimated for decades

A new analysis suggests mammograms may lead to far less breast cancer overdiagnosis than some earlier studies indicated. Researchers reexamined all eight major randomized screening trials and accounted for differences in follow-up time, screening frequency, and screening after trials ended. Their results were consistent with an overdiagnosis rate below 5%, rather than estimates approaching 30% to 50%. from Latest Science News -- ScienceDaily https://ift.tt/R0QL1vk
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Scientists discover an “impossible” cellular survival pathway that could help fight cancer

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 shutting it down could make tumors easier to kill. from Latest Science News -- ScienceDaily https://ift.tt/9edbGN1
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First stellar stream beyond the Milky Way could reveal dark matter

Astronomers have discovered the first globular cluster stellar stream beyond the Milky Way, opening a new way to study dark matter in distant galaxies. These faint trails of stars trace a galaxy’s gravitational structure and could eventually help scientists map invisible matter across the universe. from Latest Science News -- ScienceDaily https://ift.tt/c9jWpmu
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The Solar System chose fire over ice from the very beginning

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The finding pushes this selective planet-building process back to within the Solar System’s first million years. from Latest Science News -- ScienceDaily https://ift.tt/vUOVjhz
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Scientists discover first new penguin species in more than 100 years

Genetic evidence has revealed a previously unknown gentoo penguin species on the remote Kerguelen Islands and shown that gentoos actually consist of four distinct species. The discovery also highlights a growing threat, as warming oceans could leave several island populations with little suitable habitat by 2050. from Latest Science News -- ScienceDaily https://ift.tt/Mf3aB9T
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Stanford scientists discover the human brain may actually be two separate organs

Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery also allowed researchers to grow human hindbrain neurons in the lab, opening new possibilities for studying ALS, spinal muscular atrophy, and other brainstem diseases. from Latest Science News -- ScienceDaily https://ift.tt/QYTIgBK
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