News tagged with survey

Study shows mixed fortunes for Signy penguins

A forty year study on a remote Antarctic island shows that while populations of two penguin species are declining, a third is increasing. Analysis of census data from Signy Island in the South Orkney Islands reveals that, ...

dateOct 27, 2016 in Plants & Animals
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Nature's ocean fertiliser

Scientists have discovered that Antarctic krill – a tiny shrimp-like crustacean – plays a key role in fertilising the Southern Ocean with iron, which stimulates the growth of phytoplankton, the microscopic plants at the ...

dateSep 20, 2016 in Environment
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Studies find echoes of black holes eating stars

Supermassive black holes, with their immense gravitational pull, are notoriously good at clearing out their immediate surroundings by eating nearby objects. When a star passes within a certain distance of a black hole, the ...

dateSep 15, 2016 in Astronomy
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