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Tag: "feet" at biology news

Massive herds of animals found to still exist in Southern Sudan

...traveled in a modified Cessna 182 just hundreds of feet above the ground for 70,000 miles (112,650 km) to create an unprecedented record of human impact on the land. A survey of Southern Sudan was part of the initial planning for the trip, but Fay was unable to complete his surveys due to political obstac...

CT scan reveals ancient long-necked gliding reptile

...or less. The researchers could determine that the feet were curved, indicating that the reptiles probably lived in trees. The resolution of the CT scan is largely dependent on the size of the object to be scanned. Because the researchers did not want to cut up the sheet of rock in which the fossiliz...

Researchers demonstrate way to control tree height

...several years of growth may range anywhere from 50 feet tall to a few inches. This is a “proof of concept...e an elm tree – which ordinarily would grow to 100 feet or more – that is only five feet tall at maturity, a charming addition that would fit nicely on a ba...

UI anthropologist, colleagues discover remains of earliest giant panda

..., or "pygmy giant panda") was probably about three feet in length, compared to the modern giant panda, which averages in excess of five feet in length. Also, like it's modern counterpart, it lived on bamboo shoots, as indicated by wear patte...

Antarctic icebergs -- Hotspots of ocean life

...dy were up to a dozen miles long and more than 120 feet high, with one extending nearly 1,000 feet into the depths. Despite the risks of getting close to these mountains of ice – which can shed h...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...torms" Sounds that become muffled from just a few feet away" At session 3aPAb, researchers will present the latest theoretical and experimental knowledge on acoustical conditions on several other terrestrial bodies in our solar system. In addition, Martin Towner of The Open University in the United K...

Tracking sperm whales and jumbo squid

...s in the ocean, routinely reaching depths of 3,000 feet or more. Now, in a new study, a team of marine sci...est ecosystems, the mesopelagic zone [650 to 3,300 feet below sea level]," the authors wrote. "How sperm whales search for, detect and capture their prey re...

Scientists map key landmarks in human genome

...ave multiple functions, including allowing several feet of DNA to be packed tightly into a cell's nucleus. They also regulate gene expression, or activity, by determining whether DNA sequences can be accessed by transcription factors, allowing the factors to regulate expression of a nearby gene. It has...

Long-lived deep-sea fishes imperiled by technology, overfishing

...ause powerful ships can drag huge nets hundreds of feet below the surface. New refrigeration techniques, including "flash freezing," allow ships to range far out into the ocean for days at a time. And sophisticated global positioning systems (GPS) and fish finders can target schools of fish or seamounts w...

Prehistoric mystery organism verified as giant fungus

... it was, it stood in tree-like trunks more than 20 feet tall, making it the largest-known organism on land...the tallest among them stood no more than a couple feet high. By the end of the Devonian, approximately 345 million years ago, large trees, ferns, seeds, le...

'Terror bird' arrived in North America before land bridge, study finds

...arnivorous, weighed about 330 pounds, had powerful feet and a head larger than a man's. It is known in the fossil record from a single toe bone in Texas, and in Florida by about 40 bone fragments from different skeletal regions. MacFadden's team also analyzed six specimens from the Santa Fe River in north...

Ape gestures offer clues to the evolution of human communication

...nd chimpanzees use manual gestures of their hands, feet and limbs more flexibly than they do facial expressions and vocalizations, further supporting the evolution of human language began with gestures as the gestural origin hypothesis of language suggests. This study appears in the current issue of the P...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...ion. The rays, which can grow to be more than four feet across, eat large quantities of bivalves, including bay scallops, oysters, soft-shell and hard clams, in the bays and estuaries they frequent during summer and migrate through during fall and spring. In the early 1980s when Peterson sampled bay sc...

Growth factor stimulates rapid extension of key motor neurons in brain

...trol in the spinal cord ?extending as far as three feet in adult humans. These neurons degenerate in ALS and related disorders, and their damage contributes to loss of motor function in spinal cord injuries. Since they are embedded among hundreds of other types of neurons in the cerebral cortex, it has ...

Ancient ape ruled out of man's ancestral line

...he smallest bones have disintegrated, but here the feet and hands are well preserved - and these could enable researchers to show how well adapted this early primate was to walking on two feet.? But the sediment encasing Little Foot is harder than the bone ?making extracting him a painstaking process fo...

New system could drastically reduce herbicide use

...icult." The robot stands a little more than two feet tall, is 28 inches wide and almost five feet long. He can travel about three miles per hour and moves on wheels, although the researchers have tr...

A new target for painkillers

...n can result from diabetes damage to nerves in the feet or elsewhere, spinal injury, degenerative disc disease, alcoholism, failed low-back surgery, tumors compressing nerves, spinal tumors, repetitive motion disorders, multiple sclerosis, infection, stroke, traumatic brain injury, shingles, nerve toxins ...

The first tree genome is published: Poplar holds promise as renewable bioenergy resource

..."Under optimal conditions, poplars can add a dozen feet of growth each year and reach maturity in as few as four years, permitting selective breeding for large-scale sustainable plantation forestry," said Dr. Sam Foster of the U.S. Forest Service. "This rapid growth coupled with conversion of the lignocel...

Nano-devices hold promise for early-stage cancer detection

...l for the lab to occupy approximately 9,600 square feet and include a clean room, bonding and packaging facilities, characterization facilities, and prototyping and testing. "The development of this unique infrastructure complements research already underway at McMaster in the related fields of biomedi...

New dwarf buffalo discovered by chance in the Philippines

...size. While large domestic water buffalo stand six feet at the shoulder and can weigh up to 2,000 pounds, .... cebuensis would have stood only two-and-one-half feet and weighed about 350 pounds. B. cebuensis, which evolved from a large-sized continental ancest...

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