News tagged with polarization

Related topics:

Polar bear diet changes as sea ice melts

A series of papers recently published by scientists at the American Museum of Natural History suggests that polar bears in the warming Arctic are turning to alternate food sources. As Arctic sea ice melts ...

Jan 22, 2014
4.7 / 5 (3) 0

Image: Polar vortex enters northern US

The polar vortex is a whirling and persistent large area of low pressure, found typically over both North and South poles. The northern polar vortex was pushing southward over western Wisconsin and eastern ...

Jan 07, 2014
4.7 / 5 (3) 0

Knut the polar bear's medical legacy

Keeping wild animals is an important component of the mission of zoos to educate the public and preserve endangered species. When animals die, tracking the potential cause becomes an investigation of pathogens ...

Jan 03, 2014
not rated yet 0

Video: The Sun reverses its magnetic poles

This visualization shows the position of the sun's magnetic fields from January 1997 to December 2013. The field lines swarm with activity: The magenta lines show where the sun's overall field is negative ...

Dec 09, 2013
5 / 5 (1) 0

Image: Titan's sunlit edge

(Phys.org) —The sunlit edge of Titan's south polar vortex stands out distinctly against the darkness of the moon's unilluminated hazy atmosphere. The Cassini spacecraft images of the vortex led scientists ...

Dec 03, 2013
5 / 5 (6) 0

Why is Antarctic sea ice growing?

Recently NASA reported that this year's maximum wintertime extent of Antarctic sea ice was the largest on record, even greater than the previous year's record. ...

Oct 29, 2013
4.1 / 5 (42) 15

Long-sought pattern of ancient light detected

(Phys.org) —The journey of light from the very early universe to modern telescopes is long and winding. The ancient light traveled billions of years to reach us, and along the way, its path was distorted ...

Oct 22, 2013
4.5 / 5 (11) 2

Can bacteria combat oil spill disasters?

Teams of international scientists have decrypted the effectiveness of two types of bacteria, which could be used in the future to help combat oil spill disasters. According to a report written by scientists from the Helmholtz ...

Sep 26, 2013
5 / 5 (2) 0