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Tag: "feet" at biology news

Asia's odd-ball antelope gets collared

...ndangered ?large mammals. Standing just under two feet at the shoulder and weighing about 50 pounds, the most striking feature of the saiga is its large nose, or proboscis, similar to a tapir. The function of this unusual nose is not clear, but it may serve to warm or filter air during Mongolia's frigid...

Disappearing nest egg: Researcher studying declining numbers of macaws

... down the whole tree, and these can grow up to 100 feet high," Brightsmith confirms. "So nesting areas and food sources for macaws are being eliminated." Other prime macaw nesting grounds are being lost by logging and clearing the land for agriculture, he adds. Brightsmith will return to the area in O...

Radiologists attempt to solve mystery of Tut's demise

... His height was 180 centimeters or approximately 5 feet 11 inches. The researchers discovered a possible premortem fracture to the femoral (thigh) bone. While they cannot assess how the injury occurred, the findings suggest that the injury may have been an open wound that became infected and ultimately fa...

Steep oxygen decline halted first land colonization by Earth's sea creatures

...percent more efficiently than mammals and at 5,000 feet in elevation birds are 200 percent more efficient. Ward pictures a world in which dinosaurs were able to adapt to low atmospheric oxygen content relatively easily, and when oxygen levels rose the dinosaurs developed into giant creatures that domin...

Trotting with emus to walk with dinosaurs

... that characteristic and can be seen crossing over feet all the time, said Breithaupt. The rest of the mystery was solved by observing what else emus do as they walk. "Often they are looking around as they walk," said Breithaupt of the crossed foot tracks. "Sometimes they stop in mid-stride and lo...

Tarantulas produce silk from their feet

...t time that tarantulas can produce silk from their feet as well as their spinnerets, a discovery with prof...an that silk production actually originated in the feet to increase traction, with the diversity of spinneret silk evolving later." The researchers placed...

Fire ants: Their true story told by the scientist who loves them

...). A mature colony can encompass approximately 300 feet of underground foraging tunnels ?about 20,000 ant body-lengths. On a human scale, that's the staggering equivalent of 20 miles or more. On the FSU faculty since 1970, Tschinkel's wide-ranging research has also encompassed the ecology of arboreal ant...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...uld be capable of "flying low and slow" just a few feet above the ground. The onboard payload of digital c...where," Ham said. "Because it can fly as low as 15 feet and as slow as 30 miles per hour if necessary, we're going to be able to see details that we cannot ...

Mechanism for neurodenegerative diseases linked to transport proteins

...eurons because these cells can be as much as three feet long, says Dr. Scott Brady, professor and head of anatomy and cell biology at UIC. "A breakdown in fast axonal transport would selectively kill neurons because neurons are especially dependent on the transport system," Brady said. Kennedy disease i...

Loosen up, DNA: Leukemia gene changes genetic packaging

...ontains tens of thousands of genes along the seven feet of DNA that is spooled up very tightly around proteins called histones in the nucleus of nearly every cell in our bodies. The whole structure, called chromatin, looks much like a narrow thread wound tightly around a stack of tuna cans. While there ar...

Study shows pine bark naturally decreases severe chronic venous insufficiency

...tanding and again after 30 minutes of resting with feet elevated. Measurements were taken at the beginning of the study and after four and eight weeks of treatment. A composite, analogue score based on signs and symptoms (edema, pain, restless limbs, subjective swelling, and skin alterations/redness) was ...

Virus has 'catastrophic' affect on red squirrels, research shows

...els, which develop sores and ulcers on their face, feet and thighs, and they usually die within two weeks. The research team - Newcastle University, Queen Mary, University of London, and other partners* - makes its recommendations for grey squirrel management in two academic journals, Epidemiology and I...

Deep-water discovery

...ganism samples from these new reefs in 2,000-2,900 feet of water to determine which produce chemicals with the potential to treat human diseases such as cancer or Alzheimer's disease. The State of Florida's "Florida Oceans Initiative" is the primary project funder. "The reef raises important issues and ...

Drug discovery team to explore newly discovered deep-sea reefs

...hamas. The reefs were discovered in 2,000 to 2,900 feet of water last December by a University of Miami team using advanced sonar techniques. A primary goal of the upcoming expedition, which is funded largely by the State of Florida's "Florida Oceans Initiative," will be to search for marine organisms th...

Matrilin-3 gene discovered to prevent onset of osteoarthritis

...ildhood and can include malformation of the hands, feet and knees and abnormal curvature of the spine. In this study, researchers knocked out matrilin-1 and -3 in mice in order to study their link to osteoarthritis. When matrilin-1 was knocked out, there was no apparent effect. When matrilin-3 was remov...

Viagra improves high altitude exercise performance up to 45% for some

...udy Friedlander and colleagues conducted at 14,000 feet on Pike's Peak, Colorado, participants showed marked hormonal changes at altitude. These changes facilitate oxygen delivery. However, this benefit is suppressed when individuals don't eat enough and the body shifts focus to store more energy, Friedla...

Marine 'dead zone' off Oregon is spreading

...hington coast. Some dissolved oxygen levels at 180 feet have recently been measured as low as 0.55 milliliters per liter, and areas as shallow as 45 feet have been measured at 1 milliliter per liter. These oxygen levels are several times lower than norm...

U of M study examines kidney stone prevention in astronauts

...ed bed that positioned their head lower than their feet to simulate low gravity for 30 days. One twin per pair was randomly selected to exercise (while still reclining) in a chamber that put negative pressure, or resistance on their lower body, and the other twin served as a non-exercising control. The ...

Widespread elephant slaughter discovered in Chad

... third time we flew over, this time only about 150 feet above the camp, I could see the man shooting at us." No one was hurt. Zakouma National Park in southeastern Chad makes up part of a Texas-sized region of central Africa that until the 1970s was one of the continent's most intact wilderness areas, ab...

Trial success for diabetic nerve therapy

...y prevent nerve damage ?primarily to the hands and feet ?caused by the disease. The positive preclinical ...nd sometimes pain and weakness in the hands, arms, feet and legs. Progression to amputation is not inevitable, but it is always a threat. Problems may als...

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