Why crop rotation works

Crop rotation has been used since Roman times to improve plant nutrition and to control the spread of disease. A new study to be published in Nature's 'The ISME Journal' reveals the profound effect it has on enriching soil ...

Tropical plankton invade Arctic waters

For the first time, scientists have identified tropical and subtropical species of marine protozoa living in the Arctic Ocean. Apparently, they traveled thousands of miles on Atlantic currents and ended up above Norway with ...

Bacterial 'food supplements' for small algae

To boost their diet of mineral nutrients and sunlight, small algae also feast on bacteria in order to grow and fix carbon dioxide (CO2). Understanding more about the lifestyle of small algae - which are major players in CO2 ...

How many protozoa are in the water we drink?

Researchers from the University of Zaragoza (Spain) have analysed drinking water and detected oocysts of Cryptosporidium and cysts of Giardia, two protozoa that cause outbreaks of diarrhoea in humans. The levels detected ...

Pathogenic bacteria train their defence in lakes and oceans

Peter Mathisen at UmeƄ University has found links between the aquatic environment and the spreading of diseases such as tularaemia. The results indicate that aquatic environments act as "gyms" for bacteria, where the presence ...

A new soil amoeba species discovered in the 'Siberian jungle'

Scientists from St Petersburg University, together with colleagues from Tomsk and Novosibirsk, have discovered a new species of soil amoeba Leptomyxa silvatica n. sp. in Chernevaya taiga located in the south of Western Siberia.

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