BlogArena

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

20. Jul 2019

October 19, 2013
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Seeing in the Dark

New research sheds light on how porpoises hear in one of the world’s busiest rivers The Yangtze finless porpoise, which inhabits the high-traffic waters near the Three Gorges Dam in China, is highly endangered, with only about 1,000 animals alive … Continue reading

May 9, 2013
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An Ancient Biosonar Sheds New Light on the Evolution of Echolocation in Toothed Whales

Some thirty million years ago, Ganges river dolphins diverged from other toothed whales, making them one of the oldest species of aquatic mammals that use echolocation, or biosonar, to navigate and find food. This also makes them ideal subjects for … Continue reading

February 16, 2012
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Fish of Antarctica Threatened By Climate Change

A Yale-led study of the evolutionary history of Antarctic fish and their “anti-freeze” proteins illustrates how tens of millions of years ago a lineage of fish adapted to newly formed polar conditions – and how today they are endangered by … Continue reading

August 25, 2011
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Ancient Whale Skulls and Directional Hearing: A Twisted Tale

*Skewed skulls may have helped early whales find direction of sounds in water* Skewed skulls may have helped early whales find the direction of sounds in water and are not solely, as previously thought, a later adaptation related to echolocation. … Continue reading

October 17, 2010
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Squid Studies Provide Valuable Insights Into Hearing Mechanisms

The ordinary squid, Loligo pealii—best known until now as a kind of floating buffet for just about any fish in the sea—may be on the verge of becoming a scientific superstar, providing clues about the origin and evolution of the … Continue reading