Archive: 28/02/2013

How did early primordial cells evolve?

Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...

dateFeb 28, 2013 in Cell & Microbiology
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Is nanosilver toxic?

According to Finnish-Estonian joint research with data obtained on two crustacean species, there is apparently no reason to consider silver nanoparticles more dangerous for aquatic ecosystems than silver ions. The results ...

dateFeb 28, 2013 in Bio & Medicine
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