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Tag: "coming" at biology news

US life expectancy about to decline, researchers say

...s, the authors were able to illustrate that in the coming decades the risk of death from obesity-related causes is about to rise. The hardest hit will be minorities, because of limited access to health care and because they have experienced the most rapid increases in obesity in recent years, according to t...

Scientists find fossil proof of Egypt's ancient climate

... "The artifacts provide a record that people were coming to the lake," said Smith. "Genetic evidence sugges...an give us perspective on what we're facing in the coming centuries." ...

Scientists discover how fish evolved to float at different sea depths

...sh to float at different levels in the sea without coming to the surface of the water for air. A similar system is also present in the eye of the fish, which provides oxygen to the retina. Dr Berenbrink explains: "I am interested in how the mechanisms in the swimbladder and eye could have evolved. Some fis...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...he subsidies by interrupting the flow of nutrients coming from offshore," Croll said. "It transformed the plant community from one that does well in nutrient-rich conditions to one that does well in nutrient-depleted conditions." Foxes were first introduced to some of the islands by Russian fur traders in ...

Needling Chromosomes Reveals Cell Division Secret

...through the bottom of the cell, andthe needles are coming down through a layer of oil covering the cell topr...y adjust the focus to determine wherethe needle is coming down into the cell. This is difficult with oneneedle, but with two it's a terrific challenge; and yo...

Researchers reveal the infectious impact of salmon farms on wild salmon

...n spread to other previously unexposed populations coming from geographically disparate regions. "At about the 30 km mark from the farm, those lice become reproductive," says Volpe. "In effect, the farm has exported its lice generating properties ?a cyclical event establishing the potential for re-infectio...

Ecological destruction fuels emerging diseases

...urve, because we don't know where these things are coming from." In fact, while parasites like malaria are well known, we may have identified only a fraction of the total number of the world's parasites, and the prospect of cataloguing them poses a daunting technical challenge. Since the physical character...

Computers to be used to find blueprint for new influenza drug

...evelop a better drug that could be taken by people coming down with flu to stop the disease developing. The drug would work by being chemically very similar to part of the protective coating around the cells in our throats that the flu virus first attacks when a person becomes infected. The flu virus would...

Growth in the sea comes down to a struggle for iron

...ron was in the patch, how diatoms were growing and coming together in multi-cellular aggregations. They studied the sinking rate, the slow process through which aggregations of diatoms sink into the deep sea, taking their carbon with them. The Kilo Moana returned to Hawaii after spending 42 days at sea. Ea...

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