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Latest Georg Pohnert Stories

2012-01-31 06:13:17

Chemists of the University Jena reveal how algae delete unwanted 'competitors' Every morning when the sun comes up, the ocean ground is radically cleaned. As soon as the first rays of sunlight find their way into the water, the microalgae "Nitzschia cf pellucida" start their deadly 'morning hygiene'. The algae, the size of only some few micrometers, wrap themselves and their surroundings in a highly toxic poison: cyanogen bromide, a chemical relative of hydrocyanic acid, although much more...

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2010-06-10 10:06:07

Slugs are every gardener's enemy: They can destroy overnight, what he has sown and looked after lovingly. But snails don't like all plants in the same way "“ they shun moss. Why is that so? This question was already posed by the botanist and founder of Chemical Ecology, Ernst Stahl, at the end of the 19th century in Jena. More than a hundred years later chemists from Friedrich-Schiller-University Jena (Germany) found a possible answer: "Moss is capable of building up chemical compounds...


Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.