News tagged with temperature

Related topics:

Is the sun at solar minimum?

We generally think of the Sun as a constant in our lives. It rises and sets regularly, and seems to be an unchanging sphere of brilliant light. In fact the Sun has a turbulent surface with prominences that ...

Oct 03, 2014
4.7 / 5 (22) 4

Scientists uncover secrets of hibernation

For hibernating mammals, the pre-winter months are a race against time to accumulate enough energy reserves to last until spring. Offspring born late in the year have much less time to achieve this. Scientists ...

Nov 07, 2014
4.7 / 5 (3) 0

The coolest stars

One way that stars are categorized is by temperature. Since the temperature of a star can determine its visual color, this category scheme is known as spectral type. The main categories of spectral type are ...

Sep 29, 2014
4.5 / 5 (16) 1

Sao Paulo drought issue for global concern

He cast his rod happily here for 30 years—but where a river once teemed with fish, Brazilian fisherman Ernane da Silva these days stares out over a valley of weeds and bone dry, sun-parched land.

Nov 26, 2014
5 / 5 (2) 1

Packing for Mars

Like surgeons in an operating room, the technicians work gowned and masked in ESA's ultraclean microbiology laboratory, ensuring a high-tech sensor will not contaminate the Red Planet with terrestrial microbes.

Oct 22, 2014
5 / 5 (3) 0

Ocean warming affecting Florida reefs

Late-summer water temperatures near the Florida Keys were warmer by nearly 2 degrees Fahrenheit in the last several decades compared to a century earlier, according to a new study by the U.S. Geological Survey.

Sep 10, 2014
4 / 5 (9) 3