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Warming Arctic: Receding ice leaves Hudson Bay polar bears less time to eat

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Rat linked to outage at Fukushima atomic plant

A rat may have caused a power cut that knocked out cooling systems at Japan’s tsunami-wrecked Fukushima nuclear plant, the operator said Thursday, an episode that highlighted the jerry-rigged nature of the fix. Equipment keeping spent nuclear fuel at a safe temperature in four different pools was out for up…

Great white sharks feed three to four times as often as originally estimated

Great white sharks, the world’s largest predatory fish, eat three to four times more food than previously thought, an Australian study shows. US research from the 1980s estimated a 30 kilogram (66 lbs) meal of mammal blubber could sustain a one-tonne shark for more than six weeks. That perpetuated assumptions…

Major supermarket chains promise not to sell genetically engineered salmon in the U.S.

With a decision imminent on whether GM salmon will be allowed onto market, major retailers have said they would not sell it A number of US supermarket chains pledged on Wednesday not to sell genetically modified salmon, in a sign of growing public concern about engineered foods on the dinner…

North Korea threatens to bomb U.S. bases in Japan, Guam as retaliation

The North Korean army on Thursday threatened a possible strike against US military bases in Japan, in response to the use of nuclear-armed US B-52 bombers in joint military drills with South Korea. “The US should not forget that the Anderson Airbase in Guam where the B-52s take off, as…

Australia apologizes for nearly 225,000 forced adoptions after WWII

Australia on Thursday formally apologised for the forced adoption of tens of thousands of babies born mostly to unmarried mothers between the 1950s and 1970s. The adoptions, driven largely by religious groups in the post-war period, “created a lifelong legacy of pain and suffering”, the national apology delivered by Prime…

Giant pterosaur fossil unveiled in Brazil

The fossilized remains of a huge prehistoric flying reptile was unveiled Wednesday at the Rio de Janeiro National Museum where an international congress on the extinct species is to be held in May. “What makes it particularly special is that it is the most complete fossil ever found, with virtually…

Long term trials reveal promising malaria vaccine stops working after 4 years

A new vaccine that has raised hopes of becoming a potent new tool in the battle against malaria seems to stop working in children after four years, according to research published Wednesday. The vaccine candidate — known as RTS,S — is not yet on the market, but ongoing trials in…

Amazon’s Jeff Bezos recovers engines thought to have piloted the first Moon landing from ocean floor

Amazon founder Jeff Bezos claimed success Wednesday in his mission to recover Apollo 11 moon mission engines that plunged into the ocean decades ago. “We found so much,” Bezos said in a blog posting en route to land after three weeks at sea for his Bezos Expeditions project. “We’ve seen…

Children of abused women, older grandfather said to have highter autism rates

Having an older grandfather or being a mother who was abused in her youth are linked to higher odds of having a child with autism, according to two studies published Wednesday in a leading US psychiatry journal. The analysis by two separate teams appears in the Journal of the American…

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