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Tag: "walking" at biology news

Termites feed through good vibrations

...piece of palatable wood." ### Listen to termites walking and chewing pine http://www.csiro.au/audio/termite_Feb05.mp3 Termite pictures: http://www.scienceimage.csiro.au/index.cfm?event=site.image.detail&id=2583 http://www.scienceimage.csiro.au/index.cfm?event=site.image.detail&id=2584 ...

Vampire bats keep out of trouble by running

... the treadmill test -- Riskin wants to compare the walking gaits of the two species. ...

Bobbing birds do it for a reason

Pronounced head-bobbing behavior during walking is a characteristic of diverse species of birds, b...e devoted to holding the head still decreased with walking speed; at a very slow pace, the head was still most of the time, but when the birds began to run, it...

Researchers reveal secrets of flying snakes

...person who makes small balancing adjustments while walking on a beam, a flying snake might continuously make adjustments to maintain controlled flight. All other gliders, such as flying squirrels or lizards or gliding birds, maintain a constant wing structure, unlike these flying snakes that whip their bodi...

Stem cell treatment improves mobility after spinal cord injury

...d a partial injury to the spinal cord that impairs walking ability -- one group seven days after injury and a...ese rats began to show significant improvements in walking ability in comparison to injured rats who received no treatment. In the rats with 10-month-old inju...

Gap-climbing fruit flies reveal components of goal-driven behaviors

...In their studies, the researchers presented freely walking flies with a chasm in their path. The flies had shortened wings and could not fly over the gap, and they were thus forced to decide whether to attempt to cross the gap "by foot." The researchers found that the flies first visually measure the gap wid...

Ants win a waxy race

...hich they get trapped and die. The ant adjusts its walking mechanism and moves over this slippery surface. This enables it to reach the pitcher and help itself to the food supply. Further research is going on to investigate the running and swimming mechanisms in more detail. ...

Skull study sheds light on dinosaur diversity

...d trackways tell us that a group of sauropods were walking with a new wide-gauge stance. We can identify char...in locomotion---from typical sauropod narrow-gauge walking to titanosaur wide-gauge walking---corresponded to lifestyle changes, such as different feeding habi...

Exercise aside, genes may ultimately dictate seniors' mobility

....S. population aged 70 or older reports difficulty walking a quarter of a mile. These individuals are at much... with their counterparts who do not report trouble walking the distance. And despite the undisputed benefits of exercise, not everyone responds the same, even...

New partnership to clear landmines for African Elephants

...Kubango Province. They prevent area residents from walking safely on their land or cultivating their fields. Similarly, the 130,000 elephants of northern Botswana cannot re-establish themselves in their historical foraging areas in Angola and Zambia because of the landmines that create a manmade barrier sep...

Missing fossil link 'Dallasaurus' found

...tained complete limbs, hands and feet suitable for walking on land, whereas later mosasaurs evolved their limbs into flippers. "This is pretty close to the beginning of the mosasaur family tree," says Dallas Museum of Natural History Earth Sciences Curator and SMU Adjunct Professor of Paleontology Anthony ...

Marathon of nano-sprinters

...ties, such as the average velocity and the average walking distance of the cargo particle as a function of th... cargo particle pulled by 10 motors has an average walking distance of about 1 meter. If molecular motors move against an external load force, this force is ...

Wild Gorillas Handy with a Stick

... water depth or substrate stability.?She continued walking across the pool, branch in hand, “using it as a walking stick for postural support.?/p> In a separate incident, a second adult female named Efi (who bel...

One small step means giant leap for spinal cord research

...tients with spinal cord injuries helps to increase walking function in those whose condition is not expected ...ve their step frequency, stride length and overall walking speed. "This is a group of patients in which recovery is not expected," says Professor Milos Popovi...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...footprints. If they were hot, why would anybody be walking on them?" The British researchers, funded by the United Kingdom's Natural Environment Research Council, have promoted their hypothesis widely, most prominently at a July 4, 2005, presentation and press conference at the Royal Society's Summer Scienc...

Study ties 'new' cell-death mechanism to developmental and degenerative brain disorders

...fect coordination and many basic functions such as walking and speaking. They also may lead to eye movement abnormalities, cognitive decline, epilepsy and other significant deficits. Twenty-seven specific locations on human chromosomes have been identified for involvement in the development of ataxias, and ...

Rice bioengineers pioneer techniques for knee repair

...he compressive shock that the bones undergo during walking and running. Over the past 18 months, he and his students Adam Aufderheide and Gwen Hoben have perfected methods of growing meniscus-shaped pieces of cartilage, but they are still trying to perfect the mechanical strength of the engineered meniscus t...

Unique equine cataract surgery offered on routine basis

...ner, Melina Jones, noticed a problem when TC began walking into objects and developed facial injuries. After consulting her vet, TC was referred to Leahurst where Professor Knottenbelt and Dr Wong carried out two operations to remove the cataracts. Melina said: "I'm absolutely delighted with the outcome ...

Penguins waddle but they don't fall down, UH researchers say

... penguin's distinctive waddle will help those with walking challenges, such as the elderly, those with leg or... development of more mobile robots. His study on walking stability features dozens of King penguins from Moody Gardens in Galveston. Though these endearing ...

Salk researchers make fast strides towards understanding how our body controls walking

...nderstanding the neural circuitry that coordinates walking movements - one of the main obstacles in developin...standing how they control the essential aspects of walking should put us in a better position to design treatments or implants that restore or activate these p...

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