News tagged with vortex

Research explores natural selection in action

The extreme "polar vortex" winter of 2013–14 did more than set records across the United States; it created conditions for a Harvard graduate student to explore something rarely observed by biologists: natural selection ...

dateAug 30, 2017 in Plants & Animals
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Jackdaws flap their wings to save energy

For the first time, researchers have observed that birds that fly actively and flap their wings save energy. Biologists at Lund University in Sweden have now shown that jackdaws minimise their energy consumption when they ...

dateAug 11, 2017 in Plants & Animals
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