Sperm cell release can be triggered by tightening the grip around the delivery organ, according to a team of nano and microsystems engineers and plant biologists at the University of Montreal and Concordia ...
Apr 29, 2013
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(Phys.org) —In a factory, outside forces dictate the assembly of parts. Robots lift widgets from trays, assemble them and send them on their way. Even though embryos are not factories, theories about embryonic ...
Apr 26, 2013
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Life on Earth may have originated not in warm tropical seas, but with weird tubes of ice—sometimes called "sea stalactites"—that grow downward into cold seawater near the Earth's poles, scientists are ...
Apr 24, 2013
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(Phys.org) —A team of researchers from Grenoble University in France has found that under experimental conditions, roughly half of the noise created by drying wood is due to cavitation. The team made this ...
Apr 17, 2013
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Nanowires and nanotubes, slender structures that are only a few billionths of a meter in diameter but many thousands or millions of times longer, have become hot materials in recent years. They exist in many ...
Apr 11, 2013
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(Phys.org) —Yearly expeditions to explore the lava tubes on the famed archipelago will culminate in an international symposium to be held there next year.
Apr 08, 2013
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From battlefields to playing fields, worries over traumatic brain injury (TBI) have intensified recently as it has become clear that heavy knocks to the head – whether from bomb detonations or crunching sports tackles – ...
Apr 02, 2013
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When Charles Babbage prototyped the first computing machine in the 19th century, he imagined using mechanical gears and latches to control information. ENIAC, the first modern computer developed in the 1940s, used vacuum ...
Mar 28, 2013
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Have you ever thrown into the fire - even if you shouldn't have - an empty packet of crisps? The outcome is striking: the plastic shrivels and bends into itself, until it turns into a small crumpled and blackened ...
Mar 25, 2013
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The interior of every cell within our bodies is crisscrossed with a network of molecular highways upon which nutrients, replacement parts, and other vital materials travel to their appropriate location. The ...
Mar 19, 2013
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University of Montreal researchers found that changes in gravity affect the reproductive process in plants. Gravity modulates traffic on the intracellular "highways" that ensure the growth and functionality ...
Mar 13, 2013
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(Phys.org) —A University of California, Riverside Bourns College of Engineering professor and a team of researchers published a paper today that show how they solved an almost century-old problem that could ...
Mar 07, 2013
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(Phys.org) —Scientists at the National Institute of Standards and Technology and the University of Maryland, College Park, have built a practical, high-efficiency nanostructured electron source. Described ...
Mar 06, 2013
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