Posts Tagged 'popular'

Scientists Make Brighter LEDs by Mimicking Fireflies


Fireflies have inspired scientists to modify LEDs so that they are more than one and a half times more efficient. Researchers have studied the internal structure of firefly lanterns, the organs responsible for the insects’ bioluminescence.

Read more @ SciTechDaily

Possible Planetary Disasters That Could Cause Extinction


In the last 40,000 years, there have been at least ten gigantic landslides of more than 100 cubic kilometers in the North Atlantic ocean alone. Each of these was capable of producing waves tens to hundreds of meters in height and according to a new report, this is only one of the many possible planetary disasters that could cause extinction.

Read more @ SciTechDaily

Gene-Expression Indicates How Coral Reefs Will Handle Climate Change


Scientists have discovered a pattern of gene activity, which allows some corals to survive in higher temperatures. This suggests a way to predict how different corals will react to warmer waters, which are expected to result from climate change over the coming decades.

Read more @ SciTechDaily

Diets High in Fructose Lead to Overeating

Credit: Shuttershock

Scientists have shown, using imaging tests, that fructose can trigger brain changes that lead to overeating. They found that after drinking a fructose beverage, the brain doesn’t register the fullness feeling as it does when simple glucose is consumed.

Read more @ SciTechDaily

Quantum Gas Temperature Goes Below Absolute Zero

Energy distribution of atoms in a thermal state. Positive absolute temperatures above, in blue; negative absolute temperatures below, in red. Credit: LMU/MPQ Munich

Physicists have been able to create an atomic gas that can attain a temperature below absolute zero, -273.15˚C. They were able to create this gas using negative-Kelvin materials and new quantum devices.

Read more @ SciTechDaily

Controversial Psychiatry Change Could See Bereavement as a Disease

Credit: allspice1/Flickr

A change in the official psychiatric guidelines for depression has raised fears that grief over the death of a loved one could to be classified as clinical depression.

Read more @ SciTechDaily

Compound in Panda Blood Could Fight Superbugs


Researchers have discovered a potent antibody in panda blood, which could help fight increasingly prevalent drug-resistant strains of infections.

Read more @ SciTechDaily

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ranjitwithkinginbehand.jpgI'm Range, your host. On the menu, photos, art, stories, entertainment and reviews. Links, maths, education and social issues. I'm in Quebec (Canada) or Taiwan (R.O.C.). Follow me on Twitter.

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