Biology news

How photosynthesis changed the planet

Two and a half billion years ago, single-celled organisms called cyanobacteria harnessed sunlight to split water molecules, producing energy to power their cells and releasing oxygen into an atmosphere that ...

Nov 20, 2014
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What is a heritage turkey?

Over 45 million turkeys are eaten by Americans each Thanksgiving, according to the U.S. Department of Agriculture. Hunters provide some—last autumn, about 24,000 wild turkeys were harvested in Pennsylvania. ...

Nov 20, 2014
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Surrogate sushi: Japan biotech for bluefin tuna

Of all the overfished fish in the seas, luscious, fatty bluefin tuna are among the most threatened. Marine scientist Goro Yamazaki, who is known in this seaside community as "Young Mr. Fish," is working to ...

Nov 20, 2014
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Florida harvester ants regularly relocate

Florida harvester ants move and construct a similar subterranean nest about once a year, according to a study published November 19, 2014 in the open-access journal PLOS ONE by Walter Tschinkel from Florid ...

Nov 19, 2014
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Pesticides linger longer in greenhouse crops

Researchers writing in the journal Chemosphere this week found that crops typically grown under glasshouses and poly-tunnels had higher levels and numbers of different pesticides in them than those typica ...

Nov 19, 2014
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