News
- Tech
From silicon seeds, laser might sprout
The achievement of light amplification in a layer of tiny nuggets of silicon called quantum dots raises the possibility that long-desired silicon lasers are on the way.
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Brain keeps eye on performance
A brain area that controls eye movements may also participate in a broader neural system of self-regulation.
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Suicide rates revised for depression
A research review concludes that the suicide rate among people diagnosed with depression has been overstated.
- Physics
Heating, simulations get the drop on drips
Air can buoy a layer of oil and, perhaps, even water leaking through a ceiling, if the air is relatively warm compared with the liquid.
- Astronomy
X rays unveil secret lives of black holes
New studies challenge the notion that supermassive black holes finished growing soon after their host galaxies formed and suggest new ways to find these black holes and measure their mass.
- Agriculture
Tasteful new wrapping can protect produce
New, fruit- and vegetable-based edible packaging could reduce the amount of synthetic wrapping needed to protect food.
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New ant species plunders other ants’ farms
A newly discovered Megalomyrmex ant specializes in raiding the nest gardens of fungus-cultivating ant species.
- Health & Medicine
Vision: The risks of being too fat or too tall
Excess weight or height can have a blinding impact, fostering the development of cataracts.
- Paleontology
Genes Seem to Link Unlikely Relatives
Genetic markers on three proteins suggest a common African ancestor for elephants, aardvarks, elephant shrews, golden moles, and other animals.
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