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Preview: Brightsurf Science News :: Invasive Species News

Invasive Species Current Events and Invasive Species News from Brightsurf

Invasive Species Current Events and Invasive Species News Events, Discoveries and Articles from Brightsurf

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Diet or Regular? Decoding behavioral variation in ant clones

Tue, 20 Feb 18 00:15:30 -0800

Clonal ants appear to be diverse in responding to sweetened water, suggesting epigenetic regulation in behavioral variation and colony survival.

Study of mollusk epidemic could help save endangered sea snail

Tue, 20 Feb 18 00:15:10 -0800

Overfishing and environmental change have pushed abalone species on the US west coast to the edge of extinction. Now a fatal disease threatens their recovery. But new research shows that some abalone species may be less susceptible to the disease than others, providing initial data that could help map where abalone could survive and thrive despite the disease.

Grey squirrels beat reds in 'battle of wits'

Tue, 20 Feb 18 00:01:00 -0800

Problem-solving powers may help to explain why grey squirrels have taken over from native red squirrels in the UK, new research says.

PNAS study: Extreme-altitude birds evolved same trait via different mutations

Tue, 20 Feb 18 00:09:40 -0800

All extreme-altitude birds have evolved especially efficient systems for delivering scarce oxygen to their tissues. But a new study led by the University of Nebraska-Lincoln has found that these birds often evolved different blueprints for assembling the proteins -- hemoglobins -- that actually capture oxygen in the Himalayas and Andes.

New shark species confirmed

Tue, 20 Feb 18 00:09:20 -0800

Using 1,310 base pairs of two mitochondrial genes, Toby Daly-Engel, an assistant professor of biological sciences at Florida Tech, and colleagues identified a new species, the Atlantic sixgill shark.

Brain aging may begin earlier than expected

Tue, 20 Feb 18 00:13:50 -0800

Physicists have devised a new method of investigating brain function, opening a new frontier in the diagnoses of neurodegenerative and aging-related diseases. This new noninvasive technique could potentially be used for any diagnosis based on cardiovascular and metabolic-related diseases of the brain. Preliminary results showed evidence of a decline in the coherence between these oscillations in participants over the age of 25, indicating that brain ageing may begin earlier than expected.

As climate changes, so could the genes of the Eastern tiger swallowtail butterfly

Tue, 20 Feb 18 00:04:30 -0800

Researchers warn climate change can not only influence the geographic distribution of a species in response to changing conditions -- it could also affect the evolutionary trajectories of interbreeding species.

Green toads with multiple genomes have ancestors that are only distantly related

Tue, 20 Feb 18 00:05:40 -0800

Dr. Matthias Stoeck from the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) and researchers from the University of Lausanne (Switzerland) and the Helmholtz-Centre for Environmental Research (UFZ) have just published an extensive phylogenetic tree for the Eurasian green toads. This phylogenetic tree shows that polyploid species are hybrids and only descend from parental species with a very high degree of genetic divergence.

Biodiversity loss raises risk of 'extinction cascades'

Mon, 19 Feb 18 00:10:30 -0800

New research shows that the loss of biodiversity can increase the risk of 'extinction cascades', where an initial species loss leads to a domino effect of further extinctions.

Dispersal of fish eggs by water birds -- just a myth?

Mon, 19 Feb 18 00:01:40 -0800

How do fish end up in isolated bodies of water when they can't swim there themselves? For centuries, researchers have assumed that water birds transfer fish eggs into these waters -- however, a systematic literature review by researchers at the University of Basel has shown that there is no evidence of this to date.

You are what you eat: Diet-specific adaptations in vampire bats
Vampire bats feed exclusively on blood. It has therefore been long suspected that they have highly specific evolutionary adaptations and most likely also an unusual microbiome. An international group of scientists analyzed the genome of vampire bats and the microorganisms that live in their gut and asked how much the viruses contained in the blood may affect the vampire bats. Their findings have now been published in Nature Ecology