Tag: "boulders" at biology news
Liquid Crystals Light Up Simple Chemical Test
...here been no antibodies in the test solution -- no boulders
-- theliquid crystal molecules would have aligned in parallel along the hillsand valleys. In that orientation, they would have transmitted no light.The tester would have seen just a black square. But because there were antibodies, the liquid crystal...
The Comet That Wiped Out The Dinosaurs May Have Washed Up Boulders Onto Hills In Arkansas
...s in Arkansas, a geologist claims. He saysthat the boulders
must have been swept up onto the hills from coasta...fit in with the surrounding landscape. "You've got boulders
that are 25 feet(7.6 metres) in diameter, that are up on a 250-foot (76-metres) tall hill," saysGary...
Stream erosion may contribute to decline of American eels
...s actually spent most of their time underneath the boulders
and undercut banks of the headwater streams, moving little. These findings have important implications for how the streams that provide habitat for American eels are managed. High sediment loads from flooding or erosion could fill in the cracks and ...
Comets spread Earth-life around galaxy, say scientists
...e had been developing since 1974. It is known that boulders
and other debris may be thrown from the Earth into...interplanetary dust will quickly erode the ejected boulders
to much smaller fragments and that these tiny, life-bearing fragments may be driven out of the solar...
Using science to restore habitat for declining species
...y actually spent most of their time underneath the boulders
and undercut banks of headwater streams, moving little. These findings have important implications: high sediment loads from floods or erosion can fill the cracks and undercut banks eels inhabit in the winter (2003 article: http://www.srs.fs.usda.g...