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After mastodons and mammoths, a transformed landscape
And when their populations crashed, emptying a land whose diversity of large animals equaled or surpassed Africa's wildlife-rich Serengeti plains then or now, an entirely novel ecosystem emerged ...
Earth Sciences |
Read moreScientists ‘Unlock’ Mystery of Creating Cultured Pearls from the Queen Conch
With less than two years of research and experimentation, Drs. Héctor Acosta-Salmón and Megan Davis, co-inventors, have produced more than 200 cultured pearls using the techniques they developed. Prio...
Life Sciences | Read moreNorth Atlantic Fish Populations Shifting as Ocean Temperatures Warm
About half of 36 fish stocks in the Northwest Atlantic Ocean, many of them commercially valuable species, have been shifting northward over the last four decades, with some stocks nearly disappearing ...
Ecology, The Environment and Conservation | Read moreStudy: Managers' hiring practices vary by race, ethnicity
Using more than two years of personnel data from a large U.S. retail chain, the study found that when a black manager in a typical store is replaced by a white, Asian or Hispanic manager, the share of...
Business and Finance | Read moreFruit fly pest identified in wine grapes
Since the tiny fly, Drosophila suzukii, was first confirmed in Oregon less than two months ago, there have been an increasing number of reports of its occurrence in a variety of fresh fruits, includin...
Agricultural and Forestry Science | Read moreBlack rat does not bother Mediterranean seabirds
Now, an international team of scientists has studied the impact of the black rat on bird populations on Mediterranean islands. Despite the rat's environmental impact, only the tiny European storm...
Life Sciences | Read moreA new chemical method for distinguishing between farmed and wild salmon
Dr Clive Trueman, who is based at the National Oceanography Centre, Southampton said:"Salmon farming is a big, intensive business. In 2006, around 130,000 tonnes of salmon were farmed in ...
Ecology, The Environment and Conservation | Read moreAs ash borer claims more trees, researcher at ISU works for species survival
As the devastating insect emerald ash borer is working its way across North America destroying almost all the native ash trees it encounters, Widrlechner is rapidly collecting and storing ash tree see...
Agricultural and Forestry Science | Read moreGlobal Warming Bringing More Extreme Heat Waves
“Global warming is bringing more frequent and severe heat waves and the result will be serious for vulnerable populations,” said Dr. Amanda Staudt, climate scientist, National Wildlife Federation. ...
Earth Sciences | Read moreSeeing the Cosmos Through "Warm" Infrared Eyes
New images taken with two of Spitzer's infrared detector channels -- the two that work at the new warmer temperature -- demonstrate that the observatory remains a powerful tool for probing the du...
Physics and Astronomy | Read moreWistar scientists find key to strengthening immune response to chronic infection
Effective response by key immune cells in the body, called T cells, is crucial for control of many widespread chronic viral infections such as HIV and hepatitis B and C. Virus-specific CD8 T cells, al...
Life Sciences | Read moreScientists Find Key to Strengthening Immune Response to Chronic Infection
Effective response by key immune cells in the body, called T cells, is crucial for control of many widespread chronic viral infections such as HIV and hepatitis B and C. Virus-specific CD8 T c...
Life Sciences | Read moreBig cattle -- the genes that determine carcass weight
Akiko Takasuga, from the Shirakawa Institute of Animal Genetics, led a team of researchers who studied Japanese Black and Japanese Brown cattle, two breeds that have survived separately for thousands ...
Life Sciences | Read moreRodent Size Linked to Human Population and Climate Change
You probably hadn't noticed -- but the head shape and overall size of rodents has been changing over the past century. A University of Illinois at Chicago ecologist has tied these changes to huma...
Ecology, The Environment and Conservation | Read moreGene developed through conventional breeding to improve cowpea aphid resistance
Several new lines of cowpeas with genes that are aphid-resistant and less susceptible to disease are currently being tested by researchers with Texas AgriLife and other Texas A&M System entities. ...
Agricultural and Forestry Science | Read more
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