All Stories
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PhysicsPrecision measurement of antimatter made
The charge of antihydrogen atoms is essentially neutral, even out to eight decimal places, a new precision measurement made at CERN shows.
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ChemistryDecay of Leonardo da Vinci drawing reflected in light
Light that bounces off a Leonardo da Vinci drawing, widely considered a self-portrait, has revealed extensive chemical damage that causes yellowing.
By Beth Mole -
AstronomyRocky, overweight planet shakes up theories
Kepler-10c is a rocky exoplanet 17 times as massive as Earth, and astronomers are puzzled as to how it formed.
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LifeA new twist on a twist
Nature abounds with perfect helices. They show up in animal horns and seashells, in DNA and the young tendrils of plants. But helix formation can get complicated: In some cases, the direction of rotation can reverse as a helix grows.
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AnimalsWhy tree-hugger koalas are cool
Drooping against bark during a heat wave could save koalas from overheating.
By Susan Milius -
NeuroscienceStress and the susceptible brain
Some of us bounce back from stress, while others never really recover. A new study shows that different brain activity patterns could make the difference.
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Health & MedicineHealth risks of e-cigarettes emerge
Research uncovers a growing list of chemicals that end up in an e-cigarette user’s lungs, and one study finds that an e-cigarette’s vapors can increase the virulence of antibiotic-resistant bacteria.
By Janet Raloff -
GeneticsBlind mole-rats are loaded with anticancer genes
Genes of the long-lived blind mole-rat help explain how the animal evades cancer and why it lost vision.
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ChemistryBacteria take plants to biofuel in one step
Engineered bacterium singlehandedly dismantles tough switchgrass molecules, making sugars that it ferments to make ethanol.
By Beth Mole -
AnimalsBeware the pregnant scorpion
Female striped bark scorpions are pregnant most of the time. That makes them fat, slow and really mean.
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MicrobesIrish potato famine microbe traced to Mexico
The pathogen that triggered the Irish potato famine in the 1840s originated in central Mexico, not the Andes, as some studies had suggested.
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Science & SocietyOutgoing congressman Rush Holt calls scientists to action
The New Jersey physicist has decided not to run for re-election but is a proponent of scientists in office.
By Sam Lemonick