Biologists have identified an amino acid switch that flaviviruses flip to gain access to cells. Flaviviruses such as tick-borne encephalitis virus (TBEV), yellow fever, and dengue are dangerous human pathogens.
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Nature provides a magnifying glass that scientists cleverly decipher to gain a rare look at the violent processes at work in a young galaxy in the early universe.
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Major research initiatives are needed immediately to assess the possibility that using cellular phones may lead to an increased risk of brain tumors, according to an editorial the journal Surgical Neurology.
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Diatoms have profound influence on climate, producing 20 percent of the oxygen we breathe by capturing atmospheric carbon and countering the greenhouse effect. These photosynthetic wonders have come to acquire advantageous genes from bacterial, animal and plant ancestors enabling them to thrive in today’s oceans.
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Chemists say they have developed a new way to measure temperature changes inside the body with unprecedented precision by correcting a subtle error in the original theory underlying magnetic resonance imaging.
Scientists have produced oils of camelina, canola, Cuphea, lesquerella, milkweed and pennycress by the barrelful in a commercial-scale pilot plant.
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Heavy advertising by both Democratic and Republican presidential candidates may actually make voters in battleground states more confused about which candidate to vote for, a new study suggests. A nationwide study found that voters in heavily contested states like Florida and Ohio become more ambivalent when they are exposed to a lot of opposing messages [...]
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The Earth is in the midst of the sixth mass extinction of both plants and animals, with nearly 50 percent of all species disappearing, scientists say. Which plants should be a top priority to conserve? Researchers say the most genetically unique species are the ones that have the greatest importance in an ecosystem.
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Tiny polymer beads embedded with anti-inflammatory drugs can reduce damage to the heart when injected into rats’ hearts after a simulated heart attack. The beads (average size: 1/50 of a millimeter wide) are made of a “polyketal” material that breaks down over a few weeks in the body. Because polyketals are less inherently inflammatory than [...]
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Under UV light, ripening bananas appear in a bright blue color, which is is connected to the degradation of chlorophyll.
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