BlogArena

General blog about anything and everything of everyday's life.

20. Jun 2019

January 9, 2014
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Ancient sharks reared young in prehistoric river-delta nursery

ANN ARBOR — Like salmon in reverse, long-snouted Bandringa sharks migrated downstream from freshwater swamps to a tropical coastline to spawn 310 million years ago, leaving behind fossil evidence of one of the earliest known shark nurseries. That’s the surprising … Continue reading

February 14, 2013
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UA Scientists Help Discover Most Abundant Ocean Virus

Researchers have discovered four previously unknown viruses that infect the Earth’s most abundant organism, the marine bacterium SAR11. Because of their huge numbers, these tiny players have critical roles in the global cycle of carbon and other nutrients. The greatest … Continue reading

October 27, 2012
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NASA Radar Penetrates Thick, Thin of Gulf Oil Spill

PASADENA, Calif. – Researchers at NASA’s Jet Propulsion Laboratory and the California Institute of Technology in Pasadena have developed a method to use a specialized NASA 3-D imaging radar to characterize the oil in oil spills, such as the 2010 … Continue reading

October 10, 2012
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Scientists Uncover Vast Differences in Earth’s Polar Ocean Microbial Communities

ANN ARBOR— An international team of scientists, including a University of Michigan graduate student, has demonstrated that a clear difference exists between the marine microbial communities in the Southern and Arctic oceans, contributing to a better understanding of the biodiversity … Continue reading

August 25, 2012
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Scientists Explore Changing Arctic Ocean

Scientists are setting sail on August 25 to study ocean acidification in the Arctic and what this means for the future survival of marine and terrestrial organisms. The Arctic Ocean is one of the most vulnerable places on the planet … Continue reading

July 22, 2012
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Ancient Alteration of Seawater Chemistry Linked With Past Climate Change

Dissolution or creation of huge gypsum deposits changed sulfate content of the oceans Scientists have discovered a potential cause of Earth’s “icehouse climate” cooling trend of the past 45 million years. It has everything to do with the chemistry of … Continue reading

April 3, 2012
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Slow Snails, Fast Genes: Predatory Snails Refine Venoms Through Continuous Gene Duplication

ANN ARBOR, Mich.— When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins. Biologists have known for more than a decade that the … Continue reading

December 15, 2010
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High-Tech Software and Unmanned Planes Allow Scientists to Keep Tabs on Arctic Seals

A novel project using cameras mounted on unmanned aircraft flying over the Arctic is serving double duty by assessing the characteristics of declining sea ice and using the same aerial photos to pinpoint seals that have hauled up on ice … Continue reading