Researchers who rush in after storms to study the behavior of spiders have found that extreme weather events such as tropical cyclones may have an evolutionary impact on populations living …read more Source:: Science
Tag: populations
Honeybees infect wild bumblebees through shared flowers
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•Viruses in managed honeybees are spilling over to wild bumblebee populations though the shared use of flowers, a first-of-its-kind study reveals. This research suggests commercial apiaries may need to be …read more Source:: Science
How old are your organs? To scientists’ surprise, organs are a mix of young and old cells
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•Scientists once thought that neurons, or possibly heart cells, were the oldest cells in the body. Now, researchers have discovered that the mouse brain, liver and pancreas contain populations of …read more Source:: Science
‘Outdated’ management plan increases risks to Alaska’s large carnivores
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•Alaskan wildlife management that prioritizes reducing bear and wolf populations so hunters can kill more moose, caribou and deer is both backward and lacks scientific monitoring. …read more Source:: Science
Australian fur seal pup population is shrinking
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•A census of annual pup production by Australian fur seal populations revealed the first reduction since species-wide protection was implemented in 1975, according to a new study. The study also …read more Source:: Science
New species may arise from rapid mitochondrial evolution
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•Genetic research at has shed new light on how isolated populations of the same species evolve toward reproductive incompatibility and thus become separate species. …read more Source:: Science
Microbiome differences between urban and rural populations start soon after birth
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•An analysis comparing the intestinal microbiomes of both infants and adults living in rural and urban areas of Nigeria has revealed that not only are there many differences in adults …read more Source:: Science
Two ancient populations that diverged later ‘reconverged’ in the Americas
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•A new genetic study of ancient individuals in the Americas and their contemporary descendants finds that two populations that diverged from one another 18,000 to 15,000 years ago remained apart …read more Source:: Science
Inner ear provides clues to human dispersal
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•Slight differences can be found in the inner ear of different populations of modern humans. Paleoanthropologists have found that these differences can provide information about the global dispersal of humans …read more Source:: Science