The microbiologists who have discovered electrically conducting microfilaments or ‘nanowires’ in the bacterium Geobacter, announce in a new article that they have discovered the unexpected structures in many other species, …read more Source:: Science
Month: December 2017
Guanidinium stabilizes perovskite solar cells at 19 percent efficiency
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•Incorporating guanidinium into perovskite solar cells stabilizes their efficiency at 19 percent for 1,000 hours under full-sunlight testing conditions, report scientists. …read more Source:: Science
Monkey feel, monkey do: Microstimulation in premotor cortex can instruct movement
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•Finding ways to get around those broken networks in the brain is an important area of research for those seeking to develop treatment interventions. Now researchers are showing in monkeys …read more Source:: Science
CRISPR-Cas9 technique targeting epigenetics reverses disease in mice
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•Scientists report a modified CRISPR-Cas9 technique that alters the activity, rather than the underlying sequence, of disease-associated genes. The researchers demonstrate that this technique can be used in mice to …read more Source:: Science
Heart monitors on wild narwhals reveal alarming responses to stress
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•Stress from human disturbances could cause behavioral responses in narwhals that are inconsistent with their physiological capacities, researchers say. They found that narwhals released after entanglement in nets and outfitted …read more Source:: Science
Revising the story of the dispersal of modern humans across Eurasia
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•Most people are now familiar with the traditional ‘Out of Africa’ model: modern humans evolved in Africa and then dispersed across Asia and reached Australia in a single wave about …read more Source:: Science
Crafty crows know what it takes to make a good tool
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•Biologists have discovered how New Caledonian crows make one of their most sophisticated tool designs — sticks with a neatly shaped hooked tip. New Caledonian crows are the only species …read more Source:: Science
3-D mini brains accelerate research for repairing brain function
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•Hospitals are making mini brains from human stem cells, putting researchers on a fast track to repair the nervous system after injury or disease of the brain and spinal cord. …read more Source:: Science
Birth of a storm in the Arabian Sea validates climate model
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•Extreme cyclones that formed in the Arabian Sea for the first time in 2014 are the result of global warming and will likely increase in frequency, warn scientists. Their model …read more Source:: Science
Healthy mitochondria could stop Alzheimer’s
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•Using a bioinformatics and experimental approach, scientists have found that rendering mitochondria resistant to damage can halt diseases caused by amyloid toxicity, such as Alzheimer’s disease. …read more Source:: Science