A new class of black hole, more than 500 times the mass of the Sun, has been discovered by an international team of astronomers.
Otitis media, more commonly known as an ear infection, is the most frequently diagnosed illness in children less than 15 years of age in the United States and is the primary cause for emergency room visits. More than 80 percent of children will experience at least one ear infection before their third birthday. A new [...]
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Improvised explosive devices (IEDs), the weapons of suicide bombers, are a major cause of soldier casualties in Iraq and Afghanistan. A group of engineering undergraduate students has developed a new way to detect them.
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When humans and animals delay reproduction because food or other resources are scarce, they may live longer to increase the impact of reproduction, according to a new study.
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Scientists are researching the potential of mass production of microalgae as a crop.
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The pursuit of happiness characterizes the human condition. But for those suffering from stress, money trouble or chronic illness, a positive outlook on life can be difficult to find. Now, a researcher says we should look to our genes.
The salamander is a superhero of regeneration, able to replace lost limbs, damaged lungs, sliced spinal cord — even bits of lopped-off brain. Based on experiments on genetically modified axolotl salamanders, researchers show that cells from the salamander’s different tissues retain the “memory” of those tissues when they regenerate, contributing with few exceptions only to [...]
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A molecule called telomerase, best known for enabling unlimited cell division of stem cells and cancer cells, has a surprising additional role in the expression of genes in an important stem cell regulatory pathway. The unexpected finding may lead to new anticancer therapies and a greater understanding of how adult and embryonic stem cells divide [...]
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A tiny grid pattern has led materials scientists to an unexpected finding — the surprisingly strong and long-range effects of certain electromagnetic nanostructures used in data storage.
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Researchers have discovered an important new insight into how a commonly prescribed drug may work to treat those infected by a parasitic flatworm.
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