Tag: "domesticated" at biology news

NASA scientists get global fix on food, wood & fiber use

... percentage of NPP humans consume. Calculations of domesticated animal consumption were made based on plant-life required to support them. Marc Imhoff and Lahouari Bounoua, researchers at NASA's Goddard Space Flight Center (GSFC), Greenbelt, Md., and colleagues, found humans annually require 20 percent of N...

The first domesticated donkey was born in Africa

...lts of their investigation into the origins of the domesticated donkey. The authors have discovered by using genetic analysis that the domesticated donkey originated in northeastern Africa approximately 5,000 years ago, quite probably due to the de...

A changing landscape may have dire implications for birds

...accompanies an increase in housing density" as the domesticated animals that accompany humans, cats and dogs in particular, exact a heavy toll on native forest bird species. What's more, human activities, such as the growing use of all-terrain vehicles and the replacement of native vegetation with exotic and orna...

Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone

...date for the processing of close wild relatives of domesticated wheat and barley, a key step in cultural development, to 23,000 years before the present era. "Ten thousand years before people were cultivating cereals, they were processing wild barley: starch grain analysis establishes a clear link between an int...

Imported fitness

...bly in Ethiopia, some time after the crop had been domesticated by native Ethiopians," says Ralph Panstruga. Today's agriculturally used cultivars of Barley are genetically closely related: there are not more than three basic kinds in contrast to the almost unlimited natural diversity of wild type barley. These ...

Environmental decontamination, greenhouse gases, and the genome of a methane-loving bacterium

...fills, natural gas and oil processing (about 60%), domesticated livestock (cattle account for about 75% of livestock contributions), and rice fields (up to 29% of total emissions). Luckily, there are microbes, called methanotrophs, that consume methane. They've been found in soils, landfills, sediments, hotsp...

'Most recent common ancestor' of all living humans surprisingly recent

...lanted rice on the banks of the Yangtze, who first domesticated horses on the steppes of the Ukraine, who hunted giant sloths in the forests of North and South America, and who labored to build the Great Pyramid of Khufu." The results can also work backwards, into the future. According to Chang, "Within two t...

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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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