News tagged with clock
New pattern in our biological clock overturns long-held theory
Oct 08, 2009 |
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(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...
Body's circadian rhythm tightly entwined with blood sugar control
Oct 05, 2009 |
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Scientists have long struggled to understand the body's biological clock. Its tick-tock wakes us up, reminds us to eat and tells us when to go to bed. But what sets that circadian rhythm?
Migrating monarch butterflies 'nose' their way to Mexico
Sep 24, 2009 |
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The annual migration of monarch butterflies from across eastern North America to a specific grove of fir trees in Mexico has long fascinated scientists who have sought to understand just how these delicate ...
Scientists Discover Hunger's Timekeeper
Aug 28, 2009 |
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(PhysOrg.com) -- Researchers at Columbia and Rockefeller Universities have identified cells in the stomach that regulate the release of a hormone associated with appetite. The group is the first to show that ...
Video shows nanotube spins as it grows (w/ Videos)
Nanotechnology / Nanomaterials
Jul 27, 2009 |
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(PhysOrg.com) -- New video showing the atom-by-atom growth of carbon nanotubes reveals they rotate as they grow, much like the halting motion of a mechanical clock's second hand. Published online this month ...
A Biological Basis for the 8-Hour Workday? Researchers uncover 8- and 12-hour Cycles of Gene Activity
Apr 22, 2009 |
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(PhysOrg.com) -- The circadian clock coordinates physiological and behavioral processes on a 24-hour rhythm, allowing animals to anticipate changes in their environment and prepare accordingly. Scientists ...
New 167-processor chip is super-fast, ultra energy-efficient
Apr 22, 2009 |
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A new, extremely energy-efficient processor chip that provides breakthrough speeds for a variety of computing tasks has been designed by a group at the University of California, Davis. The chip, dubbed AsAP, is ultra-small, ...
A step closer to an ultra precise atomic clock
Apr 16, 2009 |
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A clock that is so precise that it loses only a second every 300 million years - this is the result of new research in ultra cold atoms. The international collaboration is comprised of researchers from the ...
Scientists model 3D structures of proteins that control human clock
Apr 11, 2009 |
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In an Early Edition issue of The Proceedings of the National Academy of Sciences (PNAS) on April 9, 2009, the researchers report that they have been able to determine the molecular structure of a plant photolyase protein that ...
Graphene could lead to faster chips
Mar 19, 2009 |
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(PhysOrg.com) -- New research findings at MIT could lead to microchips that operate at much higher speeds than is possible with today's standard silicon chips, leading to cell phones and other communications ...
Biologists Discover Missing Piece of Plant Clock
Mar 12, 2009 |
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(PhysOrg.com) -- Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants.
How research into 'clocks' in plants could change our lives
Biology /
Dec 19, 2008 |
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(PhysOrg.com) -- From ensuring blooms for Mother’s Day to easing sleep disruption due to jet lag or shiftwork, new research into the ‘clocks’ in plants by a team of University of Glasgow plants scientists ...
Scientists show that plants have measure of the shortest day
Dec 23, 2009 |
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(PhysOrg.com) -- It is not only people who feel the effects of short winter days - new research by the University of Edinburgh and the University of Warwick has shed light on how plants calculate their own winter solstice. ...
Our devices will spin denser webs of data in 2010s
Electronics / Consumer & Gadgets
Dec 15, 2009 |
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(AP) -- Ten years ago, we would have been blown away by a cell phone with far more computing power and memory than the average PC had in 1999, along with a built-in camera and programs to manage every aspect ...
Scientists find clue to mystery of biological clock
Medicine & Health / Neuroscience
Nov 30, 2009 |
3.5 / 5 (2) |
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How does our biological system know that it is supposed to operate on a 24-hour cycle? Scientists at the Hebrew University of Jerusalem have discovered that a tiny molecule holds the clue to the mystery.
