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6 March 2014 1:04 pm ,
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Two studies show that eating a diet low in protein and high in carbohydrates is linked to a longer, healthier life, and...
Considered an icon of conservation science, researchers at World Wildlife Fund (WWF) headquarters in Washington, D.C.,...
The new atlas, which shows the distribution of important trace metals and other substances, is the first product of...
Early in April, the first of a fleet of environmental monitoring satellites will lift off from Europe's spaceport in...
Since 2000, U.S. government health research agencies have spent almost $1 billion on an effort to churn out thousands...
Magdalena Koziol, a former postdoc at Yale University, was the victim of scientific sabotage. Now, she is suing the...
Antiretroviral drugs can protect people from becoming infected by HIV. But so-called pre-exposure prophylaxis, or PrEP...
- 6 March 2014 1:04 pm , Vol. 343 , #6175
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Vagabonds of the Sea
10 February 1999 6:30 pm
Today is the birthday of Victor Hensen, a German physiologist born in 1835, who made his mark studying a teeming array of itinerant microscopic marine organisms. He christened them plankton, after the Greek word for "drifting." While a professor at the University of Kiel, Hensen led a detailed survey of Atlantic plankton--which include algae, bacteria, protozoans, crustaceans, mollusks, and coelenterates--that drift with ocean currents. Plankton are the cellar dwellers of the sea's food web, providing the nutrients for fish, whales, and all other marine creatures.
Hensen was also an expert on the anatomy and physiology of the sense organs. The cells of Hensen and canal of Hensen, both in the inner ear, were named in his honor. He died in 1924.
[SOURCE: BRITANNICA ONLINE]