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NeuroscienceReaders respond to stress, tattoos, and the universe
Stress, tattoos, cosmic origins and more reader feedback.
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Health & MedicineCells from fat mend bone, cartilage, muscle and even the heart
Stem cells and other components of fat can be coerced to grow into bone, cartilage, muscle or to repair the heart.
By Susan Gaidos -
Health & MedicineMolecules found to counter antibiotic resistance
Molecules made in a lab can foil antibiotic resistance in bacteria.
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Health & MedicineNew techniques regrow lens, cornea tissue
Preliminary stem cell discoveries may restore lenses and corneas.
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AnthropologyH. erectus cut, chewed way through evolution
A diet that included raw, sliced meat changed the face of early Homo evolution, scientists say.
By Bruce Bower -
OceansSwirls of plankton decorate the Arabian Sea
The dinoflagellate Noctiluca scintillans is taking over in the Arabian Sea, posing a potential threat to its ecosystem.
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NeuroscienceScientists still haven’t solved mystery of memory
50 years have refined a basic understanding of the brain, but scientists are still exploring how memories form, change and persist.
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AnimalsNew chameleon has strange snout, odd distribution
A new species of chameleon from Tanzania echoes the unusual range of the kipunji monkey.
By Susan Milius -
Quantum PhysicsUltrasmall engines bend second law of thermodynamics
Car engines and batteries run because of the second law of thermodynamics, which appears to work, with just a little bending, for ultrasmall engines in the quantum realm as well.
By Andrew Grant -
ClimateEarlier blooming intensifies spring heat waves in Europe
The early arrival of spring plants due to climate change amplifies springtime heat waves in Europe, new climate simulations suggest.
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Health & Medicine‘Cancer moonshot’ launch prep under way
Details are trickling out for the president’s proposed “cancer moonshot,” but plan for launch is still months off.
By Laura Beil -
ClimateHurricane frequency dropped during 17th century ‘Little Ice Age’
Atlantic hurricane activity fell around 75 percent when the sun dimmed from 1645 to 1715, a new analysis of shipwrecks and tree rings suggests.