News tagged with movement
Jellyfish Robot Swims Like its Biological Counterpart
Jun 26, 2009 |
4.4 / 5 (9) |
1
(PhysOrg.com) -- "Jellyfish are one of the most awesome marine animals, doing a spectacular and psychedelic dance in water," explain engineers Sung-Weon Yeom and Il-Kwon Oh from Chonnam National University ...
Dreams may have an important physiological function
Medicine & Health / Neuroscience
Nov 12, 2009 |
3.9 / 5 (27) |
12
(PhysOrg.com) -- Dreams have long been assumed to have psychological functions such as consolidating emotional memories and processing experiences or problems, but according to a Harvard psychiatrist and sleep ...
Under Observation -- Restless Atoms Cause Materials to Age
Sep 14, 2009 |
4.7 / 5 (10) |
0
(PhysOrg.com) -- Atoms have the habit of jumping through solids - a practice that physicists have recently been able to follow for the first time using a brand new method. This scientific advance was made ...
Researchers isolate first 'neuroprotective' gene in patients with amyotrophic lateral sclerosis
May 12, 2009 |
5 / 5 (1) |
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A genetic variant that substantially improves survival of individuals with amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, has been indentified by a consortium of researchers led by John Landers, ...
Baby's first dreams: Research reveals sleep cycles in early fetus
Medicine & Health / Neuroscience
Apr 13, 2009 |
4.6 / 5 (8) |
3
After about seven months growing in the womb, a human fetus spends most of its time asleep. Its brain cycles back and forth between the frenzied activity of rapid eye movement (REM) sleep and the quiet resting ...
Well-traveled wasps provide hope for vanishing species
Nov 09, 2009 |
5 / 5 (3) |
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They may only be 1.5mm in size, but the tiny wasps that pollinate fig trees can travel over 160km in less than 48 hours, according to research from scientists at the University of Leeds. The fig wasps are transporting ...
Research explores options for deer population control
Aug 12, 2009 |
4.5 / 5 (2) |
1
(PhysOrg.com) -- Whitetail deer bounding across campus is an all-too-familiar scene. In recent years, however, Cornell's deer population has skyrocketed, leading to such hazards as collisions with cars, destruction ...
Knee injuries may start with strain on the brain, not the muscles (w/ Podcast)
Jul 24, 2009 |
3 / 5 (4) |
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New research shows that training your brain may be just as effective as training your muscles in preventing ACL knee injuries, and suggests a shift from performance-based to prevention-based athletic training programs.
Head movement is more important than gender in nonverbal communication (w/Video)
Medicine & Health / Psychology & Psychiatry
May 25, 2009 |
5 / 5 (5) |
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It is well known that people use head motion during conversation to convey a range of meanings and emotions, and that women use more active head motion when conversing with each other than men use when they talk with each ...
Jet lag disturbs sleep by upsetting internal clocks in 2 neural centers
Medicine & Health / Neuroscience
Apr 16, 2009 |
4.7 / 5 (3) |
0
Jet lag is the bane of many travelers, and similar fatigue can plague people who work in rotating shifts. Scientists know the problem results from disruption to the body's normal rhythms and are getting closer to a better ...
Single molecule tracking helps reveal mechanism of chromosome separation in dividing cells
Mar 06, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division. The apparatus is called a spindle ...
New technique allows simultaneous tracking of gene expression and movement
Biology /
Dec 16, 2008 |
4 / 5 (1) |
0
Flies expressing green fluorescent protein (GFP) in their retina cells or other tissues can be tracked by specially modified video cameras, creating a real time computer record of movement and gene expression. The new technique, ...
New movement models tested at the Smithsonian in Panama
Biology /
Dec 01, 2008 |
5 / 5 (1) |
0
Feeling threatened? Hungry? Looking for a mate? Move! Tracking and remote sensing data are making it easier to locate organisms and find out what they are up to. However, general theories of movement are lacking. ...
Can you hear me now? How the inner ear's sensors are made
Biology /
Dec 01, 2008 |
4.8 / 5 (12) |
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A UCLA study shows for the first time how microscopic crystals form sound and gravity sensors inside the inner ear. Located at the ends of cilia — tiny cellular hairs in the ear that move and transmit signals ...
Scientists probe mechanism of asymmetry in meiotic cell division
Biology /
Oct 07, 2008 |
4.3 / 5 (3) |
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The Stowers Institute's Rong Li Lab has characterized a mechanism that allows for asymmetrical cell division during meiosis in oocytes. By tracking chromosome movement in live mouse oocytes, the team discovered that chromosomes ...
