An article by Dr. Xavier Trepat, senior researcher of the Cellular and respiratory biomechanics group at the University of Barcelona, Spain, contributes for the first time an experimental answer to the question of how cells ...
Soft Matter
May 6, 2009
0
0
With the U.S. Congress beginning to consider regulations on greenhouse gases, a troubling hypothesis about how the sun may impact global warming is finally laid to rest.
Earth Sciences
May 11, 2009
35
0
(Phys.org)—Rebutting a speculative hypothesis that comet explosions changed Earth's climate sufficiently to end the Clovis culture in North America about 13,000 years ago, Sandia lead author Mark Boslough and researchers ...
Space Exploration
Jan 30, 2013
14
0
Did the 12th century B.C.E.—a time when humans were forging great empires and developing new forms of written text—coincide with an evolutionary reduction in brain size? Think again, says a UNLV-led team of researchers ...
Evolution
Aug 5, 2022
2
862
Galileo knew he had discovered a new planet in 1613, 234 years before its official discovery date, according to a new theory by a University of Melbourne physicist.
Astronomy
Jul 9, 2009
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The human species is one of the very few, along with orcas and pilot whales, where females cease to be fertile after approximately 45 years of age. Since the ultimate goal of any living organism is to spread their genes, ...
Evolution
May 10, 2019
0
194
(Phys.org)—"The origin and evolution of eukaryotes" is a tale that has yet to be told. At this point in time, it exists only as the title of a fascinating new compendium that has just been produced by the Cold Spring Harbor ...
Microorganisms can sometimes lose the ability to perform a function that appears to be necessary for their survival, and yet they still somehow manage to endure and multiply. How can this be? The authors of an opinion piece ...
Evolution
Mar 27, 2012
25
0
Scientists have long observed that species seem to have become increasingly capable of evolving in response to changes in the environment. But computer science researchers now say that the popular explanation of competition ...
Evolution
Apr 26, 2013
3
0
(Phys.org) -- Evidence used to support a possible extraterrestrial impact event is likely the result of natural processes, according to a new collaborative study led by U.S. Geological Survey scientists.
Earth Sciences
Apr 23, 2012
3
0
