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Tag: "wild" at biology news

On a wing and a prayer - Alaska researchers seek clues to bird flu

...ollowing up on a recent deadly H5N1 outbreak among wild birds. The 1918 influenza pandemic killed more than 500,000 people in the United States and as many as 50 million people worldwide, according to the U.S. Centers for Disease Control. Many died within the first few days after infection; almost half o...

Bronx Zoo bears are new Samsonite gorillas

...tion will help ensure that Adirondack bears remain wild and break the cycle of their dependence on human f...eigh up to 30 percent more than bears living under wild conditions. ...

Restaurant seafood prices since 1850s help plot marine harvests through history

...on rate starting in the 1950s. And the price of a wild canvasback duck meal rose from today's equivalent of $20 in the 1860s to $100 in 1910 as stocks collapsed. Professional hunters harvested up to 1,000 per day to supply restaurants, says Dr. Jones, fostering the federal government's decision to outlaw...

Chernobyl: The true scale of the accident

...nuclide intake. Restrictions on harvesting of some wild food products are still needed in some areas. Also in the realm of protecting the environment, the Report calls for an "integrated waste management program for the Shelter, the Chernobyl NPP site and the Exclusion Zone" to ensure application of cons...

GM crop that holds on to its seeds offers higher yields

...ce of the inserted genes moving to non-GM crops or wild species. He adds that the same approach could be used in other crops that disperse their seeds in a similar way, such as soybean and peas. Indian mustard can tolerate heat and drought. Because of this, Australian crop breeders are crossing it with i...

Bacteria which sense the Earth's magnetic field

...eveloped magnetosome crystals, which resembled the wild type in shape, size, and number. But the sensitivi...build a perfectly organised linear chain -- as the wild type's did -- but rather clumped together into irregularly arranged clusters. (see image 1) The sci...

Plant defenses prompt bacterial countermeasure in the form of 'island' DNA excision

...s specific defenses. Throughout evolution ?in the wild and in crops cultivated by humans ?plants have developed systems for resisting the attack of microbial pathogens, while these microbes themselves have depended on their ability to alter molecular attack strategies in order to flourish. In the new wor...

Wild Gorillas Handy with a Stick

... to swat away bees.) That no one has ever observed wild gorillas using tools—despite decades of intensive ...thors explain, these are the first observations of wild gorillas using detached objects as tools. However the gorillas acquired their skills, these observat...

Finding rewrites the evolutionary history of the origin of potatoes

...otato. The scientists analyzed DNA markers in 261 wild and 98 cultivated potato varieties to assess whether the domestic potato arose from a single wild progenitor or whether it arose multiple times - and the results were clear, says David Spooner, the ...

Genetic analysis of Asian elephants in India reveals some surprises

... of Science collected dung samples from nearly 300 wild Asian elephants and 30 captive elephants for which reliable capture information existed. They then examined DNA from the samples and found that, of the distinct populations found in India, the groups that inhabit the forests in the northeast of the c...

Why we give: New study finds evidence of generosity among our early human ancestors

...ly endeavor in small-scale societies subsisting on wild foods," Gurven writes. "This study shows that people indeed share more with those who give more to them?[but] families who cannot produce much food, close kin, and nearby neighbors sometimes receive more than they give." ...

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

...efforts by the United States government to restore wild condor populations could be enhanced if captive-br...eleased a total of about 130 captive-bred birds in wild areas of California, northern Mexico and near the Grand Canyon in Arizona. Newly released condors ...

Ancient humans brought bottle gourds to the Americas from Asia

... gourds, which are quite buoyant and have no known wild progenitors in the Americas, floated across the At...ble the domesticated gourds -- differentiated from wild bottle gourds by a much thicker rind -- were conveyed to North America by people who arrived from As...

Wild birds help to create human flu vaccine

...accineAvian influenza virus samples collected from wild birds in Mongolia by field veterinarians from the ...cted in the midst of an outbreak in August killing wild ducks, geese and swans in northern Mongolia have unique genetic characteristics which make them a va...

Expert dispels bird flu paranoia

... Build pens to keep domesticated poultry away from wild birds. Stop domesticated poultry from accessing o...ere the waterfowl have access to the same water as wild waterbirds. Be alert for bird flu symptoms in poultry such as coughing, sneezing, noisy breathing,...

Plants, too, have ways to manage freeloaders

...d 80 years ago, the often toxic alkaloids found in wild lupines had to be leached out. In addition, native Californians used strong thin lupine roots to make snares and fishing nets. In a preliminary study, she, Taylor and Povich used molecular markers to identify the different strains of the bacteria Br...

Performing monkeys in Asia carry viruses that could jump species to humans

...sumption, a practice in which local residents hunt wild monkeys for food. HIV, the virus that causes AIDS ...typically bring together many different species of wild monkeys, as well as many other types of animals, in very close, unnatural quarters and unsanitary co...

Tastier tomatoes in the future?

...ts both healthy and tasty. The researchers crossed wild tomatoes with cultured ones, then investigated the...rid. The results could allow tomato growers to use wild tomatoes to produce cultured tomatoes with the characteristics they desire (Nature Biotechnology, Ma...

Red Tide causes sea turtle die-off in El Salvador

...n around the world, causing significant impacts on wild marine animal populations, massive economic losses to shellfish producers, and occasionally human deaths. While the algal blooms are a natural occurrence, human wastes such as run-off containing fertilizers and sewage from urban areas have been postu...

Bringing the zoos to the zebras

... the their awareness of conservation issues in the wild and enabling them to gather relevant data firsthand, Earthwatch makes keepers better able to teach the zoo public about the ecological issues confronting Grevy's zebras. "Zoos have an important role in the future of biodiversity, and are a key stake...

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