Big sperm don't always win the race
When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.
When females mate with more than one male, each one's sperm has to compete to get to her eggs. Until now, researchers had thought the fastest sperm would dominate.
Evolution
Jan 31, 2014
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Zooplankton are often considered to be a passive source of food for fish and other aquatic animals. But at least one of their representatives, the millimetre-sized copepod (Eurytemora affinis), moves purposefully in turbulent ...
Plants & Animals
Dec 12, 2017
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Dolphins and whales may attract a lot of attention when they leap dramatically out of the water. But aquatic animals thousands of times smaller are accomplished jumpers, too.
General Physics
Oct 13, 2015
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(PhysOrg.com) -- Volkswagen, as part of the European wide research project HAVEit, has announced the Temporary Auto Pilot (TAP), a set of features added to a car that aids in speed control, lane-assist and crash avoidance.
An ancient Confucian philosopher once said, "I love the lotus because while growing from mud, it is unstained."
Condensed Matter
Oct 22, 2009
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(Phys.org)—A team of researchers from the University of Birmingham, Sorbonne Universités and Unilever Research & Development Port Sunlight, has found that human fingertips behave differently when touching something depending ...
Researchers at the Paul Scherrer Institute PSI have deciphered the molecular processes that first occur in the eye when light hits the retina. The processes—which take only a fraction of a trillionth of a second—are essential ...
Molecular & Computational biology
Mar 22, 2023
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213
(Phys.org) —A large team of European researchers has finally revealed the purpose of the long, thin, needle-like bill sported by the famous sailfish. It's used, they report in their paper published in Proceedings of the ...
Wind tunnel and high-speed camera data help researchers to explore the zigzag secrets of one of football's most unpredictable shots and provide clues to much older scientific mysteries
General Physics
Jul 12, 2016
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(Phys.org) —A team of researchers from Aix-Marseille University in France has found that the number of cracks that appear in a pane of glass or other brittle material resulting from a projectile strike is related to the ...