News tagged with theoretical models

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Time travel? Maybe

Imagine that you're a science-fiction writer on a tight schedule. You'd like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp drive or a DeLorean out of thin air. ...

May 11, 2010
3.3 / 5 (36) 35

A review of vegetated buffer efficacy

Agricultural nonpoint source pollution has been listed as one of the leading sources of pollution in rivers and water bodies throughout the world. Environmental regulators and scientists are making concerted efforts to reduce ...

Feb 16, 2010
5 / 5 (1) 0

Solar System Shield

Water vapor in planet-forming disks may block ultraviolet radiation from destroying water and other important molecules for life, according to new calculations.

Jan 14, 2010
4.6 / 5 (5) 0 | with audio podcast

Lizards change their diet to avoid predators

A scientist from the University of Salamanca and another from Yale University have shown that the presence of predators affects the behaviour of Acanthodactylus beershebensis, a lizard species from the Ne ...

Dec 02, 2009
not rated yet 0

Carbon Atmosphere Discovered on Neutron Star

(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year ...

Nov 04, 2009
4.7 / 5 (19) 1