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Climate change blamed for decline in penguins: Population has halved in 30 years in western Antarctica
Climate change effects on food sources may have contributed to a halving of penguin populations in western Antarctica, a new study suggests.
Researchers found that populations of Adelie and chinstrap penguins in the West Antarctic Peninsula (WAP) and Scotia Sea had fallen by 50 per cent in the last 30 years.
The decline was directly related to a huge reduction in numbers of the penguins’ main prey, shrimp-like krill.
Krill density had dropped by as much as 80per cent, both because of heightened Read more…
Scientists Project Path of Radiation Plume
A United Nations forecast of the possible movement of the radioactive plume coming from crippled Japanese reactors shows it churning across the Pacific, and touching the Aleutian Islands on Thursday before hitting Southern California late Friday.
March 18 2:00 AM
The Comprehensive Nuclear Test Ban Treaty Organization shows how weather patterns this week might disperse radiation from a continuous source in Fukushima, Japan. The forecast does not show actual levels of radiation, but it does allow the organization to estimate when different monitoring stations, marked with small dots, might be able to detect extremely low levels of radiation. Read more…
Modern Society Threatened by Solar Storms
NASA/SDO/AIA
The Earth just dodged a solar bullet. But it won’t be the last. Experts say a geomagnetic storm, sparked by a massive solar eruption similar to the one that flared toward the Earth on Tuesday, is bound to strike again, and the next one could wreak more havoc than the world has ever seen.
Modern society is increasingly vulnerable to space weather because of our dependence on satellite systems for synchronizing computers, navigational systems, telecommunications networks and other electronic devices.
A potent solar storm could disrupt these technologies, scorch satellites, crash stock markets and cause months-long power outages, experts said Saturday at the Read more…
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