News tagged with water vapor

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Cassini finds warm cracks on Enceladus

New images and data from NASA's Cassini spacecraft give scientists a unique Saturn-lit view of active fissures through the south polar region of Saturn's moon Enceladus. They reveal a more complicated web ...

Dec 01, 2010
4.6 / 5 (8) 2 | with audio podcast

Scientists imitate nature to engineer nanofilms

In nature, water striders can walk on water, butterflies can shed water from their wings, and plants can trap insects and pollen. Scientists at the Naval Research Laboratory are part of a research team working ...

Nov 22, 2010
5 / 5 (3) 0 | with audio podcast

Positronium scatters like an electron

(PhysOrg.com) -- Positronium atoms have been found to scatter off gas particles in the same way as lone electrons, a finding which could help astronomers interpret some of their more puzzling observations, ...

Nov 05, 2010 report
4.9 / 5 (15) 9 | with audio podcast

Carbon dioxide controls Earth's temperature

(PhysOrg.com) -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on ...

Oct 14, 2010
3.7 / 5 (55) 327 | with audio podcast

A hot new look at working fuel cells

Measuring a fuel cell's overall performance is relatively easy, but measuring its components individually as they work together is a challenge. That's because one of the best experimental techniques for investigating ...

Oct 05, 2010
4.2 / 5 (5) 0 | with audio podcast

Plant 'breathing' mechanism discovered

A tiny, little-understood plant pore has enormous implications for weather forecasting, climate change, agriculture, hydrology, and more. A study by scientists at the Carnegie Institution's Department of Global Ecology, with ...

Jul 12, 2010
4.1 / 5 (11) 0 | with audio podcast

Strange Martian Spirals Explained

Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. ...

Jun 16, 2010
4.4 / 5 (12) 5 | with audio podcast