News tagged with migration

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Genes show one big European family

From Ireland to the Balkans, Europeans are basically one big family, closely related to one another for the past thousand years, according to a new study of the DNA of people from across the continent.

May 07, 2013
4.1 / 5 (23) 3 | with audio podcast

Rising sea levels threaten migratory birds

Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds, researchers warned Monday.

May 06, 2013
4 / 5 (4) 1

No map, no problems for monarchs

Monarch butterflies have long been admired for their sense of direction, as they migrate from Canada and the United States to Mexico. According to new findings from a team of scientists, including researchers ...

Apr 08, 2013
4 / 5 (4) 0 | with audio podcast

Physicists decipher social cohesion issues

Migrations happen for a reason, not randomly. A new study, based on computer simulation, attempts to explain the effect of so-called directional migration – migration for a reason – on cooperative behaviours ...

Apr 03, 2013
4 / 5 (1) 0

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
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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