Risk Factor for Stroke More Common Among Whites

...re, new research shows. About 2.2 million Americans have atrial fibrillation, a heart arrhythmia in which the two upper chambers, or atria, quiver chaotically instead of beating in a normal rhythmic pattern, according to the Heart Rhythm Society. The less effective pumping action can cause blood to pool a...

Arctic explorer delivers unique snow-depth data for CryoSat

...ough some dangerous ice-break up. Alain explained, "As we approached the coast of northern Greenland, the sea ice in the Lincoln Sea began to break up chaotically - something we really weren't expecting. We realised there was no way we could take our planned route to reach land. Fortunately, however, we were gui...

chaotically in Biological News

Brain works more chaotically than previously thought

The brain appears to process information more chaotically than has long been assumed. This is demonstrated by a new study conducted by scientists at the University of Bonn. The passing on of information from neuron to neuron does not, they show, occur exclusively at the synapses, i.e. the junctions...

Tipping elements in the Earth's climate system

...nd land-use that increases the reflection of sunlight tend to weaken it. The Indian summer monsoon could become erratic and in the worst case start to chaotically change between an active and a weak phase within a few years. Lowly sensitive tipping elements, intermediate uncertainty: Atlantic thermohalin...

chaotically in Biological Technology

New designer toxins kill Bt-resistant insect pests

...nzyme hacks a bit off each toxin molecule. The trimmed toxin molecules clump and form pores in the gut membrane cells. The pores let materials flow chaotically in and out of the cells. As a result cells and ultimately the insect die. Tabashnik and his UA colleagues Tim Dennehy and Yves Carrire knew the B...