News tagged with migration

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For polar bears, it's survival of the fattest

One of the most southerly populations of polar bears in the world – and the best studied – is struggling to cope with climate-induced changes to sea ice, new research reveals. Based on over 10 years' ...

Mar 19, 2013 not rated yet 0

Fish migrate to safer environments

Research now reveals that fish can migrate to avoid the threat of being eaten. A new study from Lund University in Sweden shows that roach fish leave lakes and move into surrounding streams or wetlands, where ...

Mar 01, 2013 4 / 5 (1) 0 | with audio podcast

Louse genetics offer clues on human migrations

A new genetic analysis of human lice from across the world sheds light on the global spread of these parasites, their potential for disease transmission and insecticide resistance. The results are published February 27 in ...

Feb 27, 2013 4.3 / 5 (3) 0

Tree-ring data show history, pattern to droughts

Dendrochronologists have shown that tree-ring data produce a remarkably accurate history of droughts and other climate changes. Combined with reliable drought indices and historical descriptions of climate conditions, dendrochronology ...

Feb 18, 2013 3 / 5 (2) 2

Birds migrate using magnetic map

Migrating birds use magnetic particles within their body to create a 'map' with which to navigate using the earth's magnetic field, according to new research published today in Journal of the Royal Society In ...

Feb 07, 2013 4.1 / 5 (10) 0 | with audio podcast