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ChemistryNew, greener catalysts are built for speed
Researchers are designing catalysts to move chemical reactions without using precious metals, or at least using less of them.
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AnimalsCoconut crab pinches like a lion, eats like a dumpster diver
Coconut crabs use their surprisingly powerful claw for more than cracking coconuts.
By Susan Milius -
PlantsEnzymes aid rice plants’ arsenic defenses
Rice plant roots have natural defenses against arsenic.
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LifeNew imaging technique catches DNA ‘blinking’ on
Dye-free imaging technique zooms in below 10-nanometer threshold, allowing new cellular views.
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MicrobesMicrobes survived inside giant cave crystals for up to 50,000 years
Microbes trapped in crystals in Mexico's Naica mine may represent some of the most distinct life-forms found in Earth so far.
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Planetary ScienceEuropa lander mission takes another step toward reality
NASA is working on a possible lander mission in which the main science goal would be to search for signs of life on Jupiter’s moon Europa.
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Health & MedicineCommon fungus may raise asthma risk
The presence of a fungus in the infant gut can signal development of asthma by age 5.
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ChemistryHelium’s inertness defied by high-pressure compound
At pressures over a million atmospheres, helium reacts with sodium.
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Planetary ScienceCeres harbors homegrown organic compounds
NASA’s Dawn spacecraft has detected organic matter — the building blocks of life — on the dwarf planet Ceres, a new study suggests.
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EcosystemsSeagrasses boost ecosystem health by fighting bad bacteria
Seagrasses might reduce bacteria levels in ocean water.
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ComputingSpeech recognition has come a long way in 50 years
Early versions of computer speech recognition relied on word sounds. Now, they add pattern recognition and a lot of statistics.
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Health & MedicineFor Ebola patients, a few signs mean treatment’s needed — stat
A few criteria may help identify Ebola patients who need the most care.