08/02/2016

Claims for solar cell efficiency put to test at NREL

The sheet of paper taped to the door of Keith Emery's office tells the story. On the paper is a simple fever chart showing the improvements made in increasing the efficiency of two dozen types of solar cells. Some of the ...

Red or white? Healthy humans need both

When it comes to wine, we can choose red or white depending on our tastes. With blood cells, however, we need both red and white in order to stay healthy and function well.

Climate change helps bats to spread their wings

Climate change is most likely behind the extraordinary spread of a type of vesper bat across Europe over the last four decades. Kuhl's pipistrelle has extended its range by nearly 400 percent, says Leonardo Ancillotto, lead ...

Oregano may reduce methane in cow burps

It may sound pretty harmless, but methane emissions from cows are a large problem for the climate. When ruminants digest their feed, methane is formed as a natural by-product of the microbial process in the rumen, and since ...

Experts urge extreme caution on 'rewilding' to save wild places

European bison imported from Poland now roam Denmark's Baltic island of Bornholm in places where the animals haven't lived for thousands of years. Meanwhile, in a far corner of Siberia, scientists are attempting to reconstruct ...

A step closer to understanding fertilization

Researchers at Karolinska Institutet in Sweden have taken a step closer to understanding the mechanism that leads to the fusion of egg and sperm at fertilisation. Using the technique X-ray crystallography, they have determined ...

page 4 from 11