Tag Archives: temperature

The universe is getting hot, hot, hot, a new study suggests

Temperature has increased about 10-fold over the last 10 billion years

The universe is getting hotter, a new study has found.

The study, published Oct. 13 in the Astrophysical Journal, probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the universe has increased more than 10 times over that time period and reached about 2 million degrees Kelvin today — approximately 4 million degrees Fahrenheit. (more…)

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How temperature guides where species live and where they’ll go

For decades, among the most enduring questions for ecologists have been: “Why do species live where they do? And what are the factors that keep them there?” A Princeton University-based study featured on the February cover of the journal Ecology could prove significant in answering that question, particularly for animals in the world’s temperate mountain areas. (more…)

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Martian salts must touch ice to make liquid water, study shows

ANN ARBOR — In chambers that mimic Mars’ conditions, University of Michigan researchers have shown how small amounts of liquid water could form on the planet despite its below-freezing temperatures.

Liquid water is an essential ingredient for life as we know it. Mars is one of the very few places in the solar system where scientists have seen promising signs of it – in gullies down crater rims, in instrument readings, and in Phoenix spacecraft self portraits that appeared to show wet beads on the lander’s leg several years ago. (more…)

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Too Hot to Exercise? New Research Links Obesity to Temperature and Humidity

AUSTIN, Texas — If you live in the South and have trouble exercising during the muggy summer months, you’re not alone. New research by researchers at The University of Texas at Austin has found that adults are less physically active — and more obese — in counties where summers are hot, especially if they are also humid or rainy.

The new study, which appears in the American Journal of Public Health, also found that adults are less active and more obese in counties where winters are especially cold, cloudy and dark. (more…)

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Rural researchers to take the temperature of public opinion on UK environmental change

Social scientists at the University of Exeter are working with environmental policy makers to explore public views on the future management of UK ecosystems.

The Centre for Rural Policy Research (CRPR) are leading a £325,000 project, funded by Sciencewise, the UK’s national centre for public dialogue in policy making involving science and technology issues.  (more…)

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NASA Orbiter Finds New Gully Channel on Mars

A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern highlands of Mars.

These before-and-after images are available online at http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA17958 . (more…)

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First thin films of spin ice reveal cold secrets

Thin films of spin ice have been shown to demonstrate surprising properties which could help in the development of applications of magnetricity, the magnetic equivalent of electricity.

Published in Nature Communications, a team of researchers based at the London Centre for Nanotechnology (LCN), in collaboration with scientists from Oxford and Cambridge, found that, against expectations, the Third Law of Thermodynamics could be restored in thin films of the magnetic material spin ice. (more…)

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