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Climate change blamed for dead trees in AfricaBerkeley CA (SPX) Dec 15, 2011 Trees are dying in the Sahel, a region in Africa south of the Sahara Desert, and human-caused climate change is to blame, according to a new study led by a scientist at the University of California, Berkeley. "Rainfall in the Sahel has dropped 20-30 percent in the 20th century, the world's most severe long-term drought since measurements from rainfall gauges began in the mid-1800s," said study lead author Patrick Gonzalez, who conducted the study while he was a visiting scholar at UC Berkeley's Center f ... read more |
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  Nature's medicine cabinet could yield hundreds of new drugs There are probably at least 500 medically useful chemicals awaiting discovery in plant species whose chemical constituents have not yet been evaluated for their potential to cure or treat disease, a ... more | .. |
  Swarms of bees could unlock secrets to human brains Scientists at the University of Sheffield believe decision making mechanisms in the human brain could mirror how swarms of bees choose new nest sites. Striking similarities have been found in decisi ... more | .. |
 Plant growth affected by tea seed powder Natural products marketed as plant growth enhancers are becoming increasingly sought-after. Many of these products, typically produced by small companies with limited research capabilities, have not ... more | .. |
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 Salt-tolerant crops show higher capacity for carbon fixation Salt can have drastic effects on the growth and yield of horticultural crops; studies have estimated that salinity renders an about one-third of the world's irrigated land unsuitable for crop produc ... more | .. |
 World's smallest frogs discovered in New Guinea Field work by researcher Fred Kraus from Bishop Museum, Honolulu has found the world's smallest frogs in southeastern New Guinea. This also makes them the world's smallest tetrapods (non-fish verteb ... more | .. |
  A logistics approach to malaria in Africa The problems of archaic logistics infrastructure, inefficient distribution channels and disruptive black markets must all be addressed urgently if Africa is to cope with the growing problem of malar ... more | .. |
 Earliest Known Bug-Repellant Plant Bedding Found at South African Rock Shelter What were the daily lives of modern humans like more than 50,000 years ago? Rare finds such as early ornaments, cave drawings and Middle Stone Age engravings are the subjects of a good deal of anthr ... more |
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US seeks deals for Alaska energy as Asia representatives visit
Czechs sign nuclear deal with S.Korea firm KHNP: PM
US-China at trade impasse as Trump's steel tariff hike strains ties | .. |
  Survey reveals scientists have trouble accessing human embryonic stem cell lines The promise of stem cell research for drug discovery and cell-based therapies depends on the ability of scientists to acquire stem cell lines for their research. A survey of more than 200 human embr ... more | .. |
 As climate change sets in, plants and bees keep pace No laggards, those bees and plants. As warm temperatures due to climate change encroach winter, bees and plants keep pace. An analysis of bee collection data over the past 130 years shows that sprin ... more | .. |
  South Pole conquest hailed 100 years on with eye on climate Norway's prime minister and several hundred scientists and adventurers gathered at the South Pole Wednesday to celebrate its conquest 100 years ago, also highlighting the threat of climate change. ... more | .. |
  100 Beluga whales trapped in Russian Far East Over 100 Beluga whales are trapped in water between ice floes in the Chukotka region of Russia's Far East, the authorities said, calling on the government to send an ice-breaker to free them. ... more |
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 Chinese wines beat Bordeaux in blind tasting A remote region of northern China that began growing grapes for fine wine just a decade ago has beaten the centuries-old French wine-producing region of Bordeaux in a blind tasting held in Beijing. ... more | .. |
  'The protester' named Time's person of year "The protester" was named Time magazine's person of the year Wednesday, a tribute to those bringing change across the Arab world as well as anti-corporate greed demonstrations in the US and Europe. ... more | .. |
 Russian protests not over Russia's political dissidents are planning a Dec. 24 demonstration in Moscow to symbolically skewer Prime Minister Vladimir Putin and his United Russia Party. ... more | .. |
  Besieged China villagers vow to keep up protests Residents of a southern Chinese village that has become a flashpoint for anger over government land grabs vowed Wednesday to continue protesting despite a six-day police blockade. ... more |
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Ukraine war 'existential', Russia says, launching revenge strikes
'Aces up the sleeve': Ukraine drone attacks in Russia shake up conflict
Trump says Iran 'slowwalking' as Khamenei opposes nuclear proposal | .. |
  Thai flood death toll exceeds 700 The death toll from months of flooding in Thailand has risen above 700, although the waters have receded in many parts of the country, the government said Wednesday. ... more | .. |
  The hermit of Fukushima 'staying put' despite risks Naoto Matsumura is tired of being accused of madness for refusing to leave his farm in the shadow of Japan's still-leaking Fukushima nuclear plant. ... more | .. |
 US, Australia, NZ 'disappointed' on Japan whale hunt The United States, Australia, New Zealand and the Netherlands said Tuesday they were "disappointed" over the start of Japan's annual whale hunt off Antarctica and warned against violent clashes. ... more | .. |
  Canada provides aid to drought-stricken Afghanistan Canada announced Tuesday millions of dollars in aid for food assistance to drought-affected areas of in Afghanistan. ... more |
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 China frees cyber dissident after eight years in jail Chinese authorities have freed a former newspaper reporter and cyber dissident who was jailed for subversion in 2003, a human rights group said Wednesday. ... more | .. |
 Somare government sworn in amid standoff Resource-rich Papua New Guinea's governor general Wednesday swore in the government of Sir Michael Somare, but his rival refused to back down in a tense standoff as a huge earthquake rattled nerves. ... more | .. |
 Major 7.1 quake strikes Papua New Guinea: USGS A violent 7.1-magnitude earthquake struck Papua New Guinea Wednesday, shaking buildings and prompting residents to run into the streets and causing panic in the highlands. ... more | .. |
  Poverty blights S.Africa's liberation army veterans As the armed wing of South Africa's ruling party Friday marks its 50th anniversary, its surviving ex-guerrillas are still fighting for recognition by the government they helped put in power. ... more |
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Trump-Musk showdown threatens US space plans
Japanese company aborts Moon mission after assumed crash-landing
In row with Trump, Musk says will end critical US spaceship program | .. |
 Spring's rising soil temperatures see hormones wake seeds from their winter slumber Dormant seeds in the soil detect and respond to seasonal changes in soil temperature by changing their sensitivity to plant hormones, new research by the University of Warwick has found. This sensit ... more | .. |
 Blue light irradiation promotes growth, increases antioxidants in lettuce seedlings The quality of agricultural seedlings is important to crop growth and yield after transplantation. Good quality seedlings exhibit characteristics such as thick stems, thick leaves, dark green leaves ... more | .. |
 Accelerating adoption of agricultural technology Research shows that it takes about eight years from the time public research funds are invested in technology development to the time the technology is first implemented. In the agricultural sector ... more | .. |
 Body rebuilding: Researchers regenerate muscle in mice A team of scientists from Worcester Polytechnic Institute (WPI) and CellThera, a private company located in WPI's Life Sciences and Bioengineering Center, have regenerated functional muscle tissue i ... more |
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  Taxi driver training changes brain structure As London taxi drivers in training are busy learning how to navigate the city's thousands of streets and places of interest over a period of years, the experience actually changes the very structure ... more | .. |
  Sewage treatment plants may contribute to antibiotic resistance problem Water discharged into lakes and rivers from municipal sewage treatment plants may contain significant concentrations of the genes that make bacteria antibiotic-resistant. That's the conclusion of a ... more | .. |
 Nighttime images help track disease from the sky Normally used to spot where people live, satellite images of nighttime lights can help keep tabs on the diseases festering among them, too, according to new research. Princeton University-led ... more | .. |
  Astrium awarded Sentinel 5 Precursor contract Astrium has been selected by the European Space Agency (ESA) as prime contractor for the Sentinel-5 Precursor satellite (S5p) a low-cost mission to monitor atmospheric chemistry. The contract ... more |
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