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Tag: "ground" at biology news

Dinosaur DNA? New Patent Covers Degraded DNA recovery

... and two extinct species -- the marsupial wolf and ground sloth. Plant DNA up to 400,000 years old, and DNA from the extinct mammoth and steppe bison have been recovered from Siberian sediments. In 1997, Patent #5,593,883 was granted to Ambergene Corporation for the recovery of live ancient bacteria and fun...

Falling ants glide back to trunk to avoid dangers of forest floor

...Cephalotes ant may be that ant dropping toward the ground and spiraling back to the tree, safe from both the litter below and the predator above." All told, Yanoviak has dropped about 60 species of ants from the treetops, and has found some form of gliding ?what he and his colleagues call directed aerial d...

Vampire bats keep out of trouble by running

.... Riskin explains, "The vampire bat is good on the ground because when you feed on the hoof of an animal tha...e. "Vampire bats in Latin America are good on the ground because it's a very dangerous place, and bats in New Zealand are good on the ground because it's a v...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

...in Pittsburgh instructed the rover's operations. A ground truth team at the site collected samples studied b...ter panels. After the rover departed a region, the ground truth science team collected samples the rover had examined. "Based on the rover findings in the fi...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...in Thailand had become agitated and fled to higher ground before the devastating wave struck, thus saving th...ions as well. "Bulls often lay their trunk on the ground when freezing," she observes. "We think they may be using it as a tool to detect vibrations in the e...

Grizzlies set to invade high Arctic?

...r its southern cousin. The evidence of the barren ground grizzly bear (Ursus arctos) was discovered on Melv...ult: the genetic analysis pointed to a male barren ground grizzly bear, rather than a Viscount Melville polar bear, the variety known to inhabit the Melville ...

Taking the piste out of Alpine vegetation

... machine-graded slopes having five times more bare ground than ungraded pistes. And, say the researchers, this damage is long lasting. They found pistes that had been machine graded as long as 30 years ago and re-sown with plant seed had still not recovered. "Machine grading constitutes the most drastic veg...

Man-made wetland's effectiveness similar to natural marsh

...g into the wetland from rain and snowfall and from ground sources. They wanted to know if the design of this experimental wetland would work. Apparently, it did. "It was a relatively simple, inexpensive way to create a wetland, and it worked," said Mitsch, who is a professor of natural resources at Ohio S...

Nanobacteria in clouds could spread disease, scientists claim

...rom the body in urine and their dispersal from the ground into the atmosphere and stratosphere appears to be...This happens because nanobacteria, lifted from the ground by winds, could transit between the high humidity region of the clouds and the relatively dry inter-...

Active Vaccine Prevents Mice From Developing Prion Disease

...t the NYU study is important because it breaks new ground in demonstrating that active immunization can protect a significant percentage of animals from developing symptoms of prion disease, explains Thomas Wisniewski, M.D., Professor of Neurology, Pathology, and Psychiatry, and the lead author of the study...

Malaria killing a million a year

...laria burden now have a better opportunity to gain ground against this disease," WHO Director-General Lee Jong-wook said in Geneva. The report estimates that 350 million to 500 million people worldwide contract malaria per year, up somewhat from the estimate of 300 million to 500 million cases annually tha...

Vietnam war technology could aid elephant conservation

...d independent arrays can be buried and left in the ground to collect the data for as long as a month." ...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...t year, the fire was quite low, creeping along the ground burning leaves and small branches that had accumul...ense, green, living branches are very close to the ground and may be damaged if too close to the flames. If their standing dead trunks manage to catch fire, r...

Otter adaptations: How do otters remain sleek and warm

...tudy in the world. Isle Royale has been a training ground for many ecologists, and lessons learned here have been applied to the re-introduction of wolves to Yellowstone National Park.) Weisel examined wolf prey hair with light and electron microscopy with the idea of accurately identifying wolf diet from ...

Genome Sequence for Haemophilus Influenzae Completed

...tudy in the world. Isle Royale has been a training ground for many ecologists, and lessons learned here have been applied to the re-introduction of wolves to Yellowstone National Park.) Weisel examined wolf prey hair with light and electron microscopy with the idea of accurately identifying wolf diet from ...

NHGRI Selects 13 More Organisms for Genome Sequencing

...ensity sequencing. The eight mammals are: 13-lined ground squirrel (Spermophilis tridecemlineatus), megabat ...esolution photos of the gibbon, bushbaby, 13-lined ground squirrel and other organisms in the Large-Scale Sequencing Program are available at: www.genome.gov/...

Possible treatment found for 'chemobrain'

...ensity sequencing. The eight mammals are: 13-lined ground squirrel (Spermophilis tridecemlineatus), megabat ...esolution photos of the gibbon, bushbaby, 13-lined ground squirrel and other organisms in the Large-Scale Sequencing Program are available at: www.genome.gov/...

Sensor web simulation investigates technique to improve prediction of pollution across the globe

...ing to tie together satellites and stations on the ground to develop a "sensor web" to track this pollution and improve air quality forecasts. Understanding how tropospheric or near-surface-level ozone is produced, distributed and transported from city to city, region to region and continent to continent i...

WCS says avian flu prevention should focus on farms, markets

...s currently working with Mongolian agencies on the ground in Mongolia's Kovsgol province, collecting samples from wild birds that have recently contracted the virus. "We're working with our Mongolian and international partners to confirm and track the movements of Avian flu in the region," said Dr. Billy K...

Disappearing arctic lakes linked to climate change

..., which is typically unable to infiltrate into the ground because of the ice-rich frozen soils found in permafrost. Data gathered from the latest measurements indicate that warming temperatures lead to increased numbers of surface water bodies in the colder permafrost regions. Many lakes decreased in size ...

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