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Tag: "feet" at biology news

Contaminants linked to sturgeon decline in Columbia river

...est freshwater fish, white sturgeon can grow to 20 feet in length, weigh more than 1,500 pounds and live for more than a century. The fish have always been an important food source for Oregon's Native Americans, and now as salmon runs diminish, white sturgeon fillets and steaks are increasingly sold in fi...

Retinol for combating leukemia cells

...organism function correctly: for example, when the feet of a foetus are developed in the womb of a mother, at first the fingers are united by a membrane. This membrane has to disappear and, so, the cells thereof have to die off so that the hands may develop correctly. This cellular death is programmed in ...

Losing sleep undoes the rejuvenating effects new learning has on the brain

...sks using a water maze -- a plastic pool about six feet in circumference and two feet deep. Rats were placed in the water and had to swim to the exit platform. One group could not see t...

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

...ize only to the larger Emperor penguins, are three feet tall on average and can tip the scales at up to 35 pounds. And they were also very eager to perform. "It's almost like playtime for them. We can't hold them back," Kurz said. "There is one in particular that always wants to cut in front of the ...

Animal brains 'hard-wired' to recognize predator's foot movements, Queen's study suggests

... animals that are propelled by the motion of their feet and the force of gravity," suggests Dr. Troje, Canada Research Chair in Vision and Behavioural Sciences. Conducted with Dr. Cord Westhoff from the Ruhr-Universität Bochum in Germany, the study was funded by the Canada Foundation for Innovation and...

Amazon rainforest greens up in the dry season

...xel in the images represents a square of about 820 feet (250 meters) on a side. If it's too cloudy at one spot one day, the next day's picture may be fine. Five years' worth of pictures means the scientists have at least one good image of every spot for every month of the year. To be able to figure out w...

How does the brain know what the right hand is doing?

...ng at them. You don't have to watch your legs and feet when you walk. Your brain knows where they are. For decades scientists have debated two options for how the brain achieves this: (1) the outflow hypothesis says that the brain monitors signals it sends to the muscles telling them how strongly to con...

Gene needed for butterfly transformation also key for insects like grasshoppers

...ppressed it you'd have a baby that might grow to 6 feet tall but would still have the body proportions of a baby," Truman said. "It would still have the large head and the stubby legs." A substance called juvenile hormone is present at each step of nymph development in insects that do not experience comp...

MicroRNA may have fail-safe role in limb development

...s of mice, not the forelimbs - in other words, the feet but not the hands," said Brian Harfe, Ph.D., an assistant professor of molecular genetics and microbiology in the College of Medicine and a member of the UF Genetics Institute. "In developmental biology, there has always been debate about why forelim...

Watch your step when the going gets rough

...terrain, where they need to accurately place their feet on well defined targets. Getting it right may avoid your slipping or twisting an ankle. "This visual guidance mechanism could also help gymnasts on the beam, or acrobat walkers on a tightrope, as in these situations accurate foot placement becomes cr...

Microbes under Greenland Ice may be preview of what scientists find under Mars' surface

... This would be several hundred meters - some 1,000 feet - underground, where the temperature is slightly warmer than freezing and such microbes should average about one every cubic centimeter, or about 16 per cubic inch. While Price is not expecting any time soon a mission to Mars to drill several hundre...

Seal rookeries could provide a reliable food source for endangered California condors, study finds

...nia coast." Captive breeding Standing nearly 5 feet tall and boasting a nine-and-a-half-foot wingspan, the California condor (Gymnogyps californianus) is the largest bird in North America. Thousands are believed to have inhabited the continent during the last Ice Age, their range extending from Britis...

Fossil find: 'Godzilla' crocodile had head of a dinosaur, fins like a fish

...test issue of the journal Science. It measured 13 feet from nose to tail. Its jaws were a foot-and-a-half long, with interlocking serrated teeth up to four inches long. There were many other sizes of marine crocodile species alive 135 million years ago, toward the end of the Jurassic, but all had long s...

Scientists learn to predict protein-stabilizing ability of small molecules

... controlled from a console that is situated a few feet from the patient. At the console, the surgeon operates four robotic “arms?and “wrists?using hand and foot controls. One of the robotic arms holds a tiny video camera, one works as a retractor and the other two replicate the surgeon’s exact hand movem...

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

... controlled from a console that is situated a few feet from the patient. At the console, the surgeon operates four robotic “arms?and “wrists?using hand and foot controls. One of the robotic arms holds a tiny video camera, one works as a retractor and the other two replicate the surgeon’s exact hand movem...

Missing fossil link 'Dallasaurus' found

...hat Dallasaurus retained complete limbs, hands and feet suitable for walking on land, whereas later mosasa...arge as their dinosaur brethren, reaching up to 45 feet in length. Until the discovery of Dallasaurus, however, only five primitive forms with land-capable ...

Deep treasure to be found in Oculina Bank

...nnacles, mounds, and ridges that can grow up to100 feet high. Deepwater Oculina reefs are not known to exist anywhere else on the planet besides off Florida. Fishing for shrimp and scallops has damaged a large portion of the concentrated coral areas of these reefs over the past three decades. However, ...

Ancient anthropoid origins discovered in Africa

...t few years." The sediments at BQ-2 lie nearly 750 feet below those of L-41 and were dated at around 37 million years old by measuring telltale variations in magnetic fields in the sediments due to ancient fluctuations in the earth's magnetic fields. According to Simons, other anthropoids exist at BQ-2 an...

Wright bros. upstaged! Dinos invented biplanes

...t any gliding stage. Such long feathers around the feet would make it hard for Microraptor to run on the ground, says Chatterjee, supporting the idea that it was a tree dweller, thus reinforcing the trees-down theory. ...

Research team receives $7.5 million to study cassava

...sava crop. A cassava plant usually reaches 3 to 4 feet in height, though some plants can grow up to 13 feet tall. The researchers will work on developing new types of cassava plants that have increased level...

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(Date:7/9/2014)... the oils produced by algae may offer a low-cost ... optimization of cost effective strategies for large-scale algae cultivation, ... Energy has developed an innovative solution to the challenge ... in Industrial Biotechnology , a peer-reviewed journal from ... on the Industrial Biotechnology website . ...
(Date:7/9/2014)... Ill. With over 100 diseases that can attack ... top of the most wanted list? University of Illinois ... that more research is needed on the fungus that ... with cool, damp growing conditions but Macrophomina phaseolina ... and dry drought conditions. , "As the climate continues ...
(Date:7/9/2014)... a sparrow-sized fossil from China challenges the commonly held ... gained the ability to fly. The birdlike fossil is ... rather the remains of a tiny tree-climbing animal that ... Dinosaur Museum in Blanding, Utah, and Alan Feduccia of ... Springer,s Journal of Ornithology . , The fossil ...
Breaking Biology News(10 mins):Controlling contamination in open algae ponds for biofuels 2Climate change provides good growing conditions for charcoal rot in soybeans 2Climate change provides good growing conditions for charcoal rot in soybeans 3Researchers declassify dinosaurs as being the great-great-grandparents of birds 2
(Date:7/9/2014)... common type of lung cancer, researchers have uncovered mutations ... forming tumors. The new knowledge may expand treatments for ... already are available or are in clinical trials. , ... The Cancer Genome Atlas (TCGA), including researchers at Washington ... School and other institutions, studied tumors from 230 patients ...
(Date:7/9/2014)... Researchers have found that fecal transplantation is effective ... immunocompromised patients. This is the result of a study ... Center for Women,s Gastrointestinal Medicine at The Women,s Medicine ... online in advance of print in the American ... or C. diff , has increased to epidemic ...
(Date:7/9/2014)... N.Y. Although feelings are personal and subjective, ... code that objectively represents emotions across different senses, ... by Cornell University neuroscientist Adam Anderson. , "We ... the orbitofrontal cortex, an area of the brain ... code which captures an individual,s subjective feeling," says ...
(Date:7/9/2014)... from Montefiore Medical Center and the ... will present new findings at the Alzheimer,s Association International ... in Copenhagen, Denmark. Data from the four abstracts will ... normality to mild cognitive impairment and dementia. The research ... established in 1980 to examine healthy brain aging as ...
(Date:7/9/2014)... have a reputation for being highly toxic, but when used ... being found to offer potential health benefits in a range ... A new compound (AP39), designed and made at the University ... targeting delivery of very small amounts of the substance to ... in Exeter have already found that the compound protects mitochondria ...
Breaking Medicine News(10 mins):Health News:Lung cancer study hints at new treatments 2Health News:Women's Medicine Collaborative examines safety of fecal transplant to treat C. difficile 2Health News:Study cracks how the brain processes emotions 2Health News:Investigators from Montefiore and Einstein to present data at 2014 Alzheimer's Association International Conference 2Health News:Investigators from Montefiore and Einstein to present data at 2014 Alzheimer's Association International Conference 3Health News:Rotten egg gas holds key to healthcare therapies 2
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