Nanoparticles are being developed to perform a wide range of medical uses — imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers have combined two nanoparticles in one tiny package. The result is the first structure that creates a multipurpose nanotechnology tool for medical imaging and therapy.
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Scientists have isolated a unique protein that appears to have a dual function and could lead to a “boon in medicine.”
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African village dogs are not a mixture of modern breeds but have directly descended from an ancestral pool of indigenous dogs, according to a new genetic analysis of hundreds of semi-feral African village dogs.
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The active ingredient in many insect repellents, deet, has been found to be toxic to the central nervous system. Researchers say that more investigations are urgently needed to confirm or dismiss any potential neurotoxicity to humans, especially when deet-based repellents are used in combination with other neurotoxic insecticides.
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Instances of “freak” or extreme waves have long been part of maritime lore, known for suddenly sending ships to the ocean floor. Using mathematical simulations, researchers have shown that changes in water depth and currents, which are common in coastal areas, may significantly increase the likelihood of extreme waves. These findings could allow for identification [...]
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Marriage and cohabiting rates in developed countries can be linked to attitudes towards the roles of men and women, and views on who is responsible for doing the housework and looking after the children. Both men and women have shown they are more likely to want a live-in relationship with the opposite sex if they [...]
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Looking almost 11 billion years into the past, astronomers have measured the motions of stars for the first time in a very distant galaxy and clocked speeds upwards of one million miles per hour, about twice the speed of our Sun through the Milky Way.
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Scientists have sequenced the complete genome of a patient with acute myeloid leukemia, discovering a suite of genetic changes in the cancer cells. Their research has revealed that one of these mutations also is common in certain brain tumors called gliomas and that another occurred in a second patient with the same type of leukemia. [...]
When Tony Goldberg is not whacking through the brush of central Africa, one of the world’s great cauldrons of emerging human and animal disease, he is scouring another disease hot spot: the southwestern suburbs of Chicago. The goal of Goldberg’s study is to ferret out the reasons why one neighborhood might be in the eye [...]
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Low levels of estradiol or high levels of sex hormone binding globulin (SHBG) are associated with an increased risk of osteoporotic fracture in older men, according to a new study. The study also finds that men with low levels of testosterone combined with high levels of SHBG are also at higher risk for bone fracture.
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