News tagged with observations

Scientists relate urban population to air pollution

(Phys.org) —Live in a large city like New York, London, Beijing or Mumbai, and you are likely exposed to more air pollution than people in smaller cities in surrounding areas. But exactly how a city's pollution ...

Aug 19, 2013
4.5 / 5 (2) 1 | with audio podcast

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
not rated yet 0

The color of the ocean: The SABIA-Mar mission

By monitoring the color changes in the ocean, such as those caused by photosynthetic pigments in phytoplankton, scientists learn more about the overall health and functioning of our planet. Such studies also ...

Jul 16, 2013
not rated yet 0