Uneven warming shifts equatorial rain band, midlatitude westerlies
In a band near the equator, southward Northern Hemisphere winds and northward Southern Hemisphere winds come together to form the Intertropical Convergence Zone (ITCZ). In the ITCZ the equatorward winds rise and cool, creating ...
Dawn spacecraft captures video of asteroid approach (w/ video)
(PhysOrg.com) -- Scientists working with NASA's Dawn spacecraft have created a new video showing the giant asteroid Vesta as the spacecraft approaches this unexplored world in the main asteroid belt.
Study reveals for first time true diversity of life in soils across the globe, new species discovered
(PhysOrg.com) -- Microscopic animals that live in soils are as diverse in the tropical forests of Costa Rica as they are in the arid grasslands of Kenya or the tundra and boreal forests of Alaska and Sweden, ...
Researchers find new information about 'Snowball Earth' period
It is rather difficult to imagine, but approximately 635 million years ago, ice may have covered a vast portion of our planet in an event called "Snowball Earth." According to the Snowball Earth hypothesis, the massive ice ...
Researchers reveal model of Sun's magnetic field
Researchers at the Universities of Leeds and Chicago have uncovered an important mechanism behind the generation of astrophysical magnetic fields such as that of the Sun.
Study explores atmospheric impact of declining Arctic sea ice
There is growing recognition that reductions in Arctic sea ice levels will influence patterns of atmospheric circulation both within and beyond the Arctic. New research in the International Journal of Climatology explores the im ...
New multiscale model unifies physical laws of water flow to span all scales
(Phys.org) —Water moves through multifaceted physical boundaries. This poses a significant challenge for scientists who must simulate water flow across many domains. Scientists at Pacific Northwest National ...
Scientists plot driving routes for new Mars rover (Update)
NASA's newest rover Curiosity has yet to make its first move on Mars, but scientists said Tuesday they are already mapping out possible driving routes to a Martian mountain.
Adding uncertainty to improve mathematical models
Mathematicians from Brown University have introduced a new element of uncertainty into an equation used to describe the behavior of fluid flows. While being as certain as possible is generally the stock and ...
Math wars: Debate sparks anti-pi day
(PhysOrg.com) -- A controversial debate in the math world has led to celebrations today by opponents of the mathematical constant pi.
Road trip on tap for NASA's Mars rover in new year (Update)
Since captivating the world with its acrobatic landing, the Mars rover Curiosity has fallen into a rhythm: Drive, snap pictures, zap at boulders, scoop up dirt. Repeat.
The brain could be key to a better computer
Your brain is incredibly well-suited to handling whatever comes along, plus it's tough and operates on little energy. Those attributes—dealing with real-world situations, resiliency and energy efficiency—are ...
First IR Image from Newest Weather Satellite Captures Hurricane Bill
(PhysOrg.com) -- Remote-sensing scientists call a satellite image that captures an entire hemisphere of the Earth in one view a "full-disk" image. The delivery of the first full-disk image from a newly launched ...
Scientists see red on NASA cuts of Mars missions
NASA said Monday it's not giving up on Mars, but it'll have to get there later and at a lower price.