Springer

Veeries very quiet when owls are about

If you hear an owl hooting at dusk, don't expect to catch the flute-like song of a Veery nearby. This North American thrush has probably also heard the hoots, and is singing much less to ensure that it does ...

Jul 30, 2013
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Cells move as concentration shifts

What do wound healing, cancer metastasis, and bacteria colonies have in common? They all involve the collective displacement of biological cells. New research sheds some new light on the physical mechanisms provoking the ...

Jul 29, 2013
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The key to ion beams' polarisability

Polarisability determines the force with which an inhomogeneous external electric field acts on the ions of an ion beam. However, it can be quite tricky to obtain accurate values for this force. Now, two German theoretical ...

Jul 17, 2013
4.8 / 5 (4) 0 | with audio podcast

When diffusion depends on chronology

The Internet, motorways and other transport systems, and many social and biological systems are composed of nodes connected by edges. They can therefore be represented as networks. Scientists studying diffusion ...

Jul 15, 2013
4.5 / 5 (2) 0

Making a beeline for the nectar

Bumblebees searching for nectar go for signposts on flowers rather than the bull's eye. A new study, by Levente Orbán and Catherine Plowright from the University of Ottawa in Canada, shows that the markings ...

Jun 20, 2013
3 / 5 (1) 0

The hidden agenda of Obama's opposition

Is the US Tea Party movement a racial backlash against President Obama? A new study by Angie Maxwell from the University of Arkansas, and Wayne Parent from Louisiana State University, assesses whether racial attitudes are ...

Jun 18, 2013
2.6 / 5 (61) 1170