[News of the Week] Around the World

In science news around the world, the European Space Agency's new environmental satellite Sentinel-1A sends back its first radar images of Earth, polio spreads farther into Central Africa, China releases new information on its polluted soil, and more.

Source: Science: This Week - April 24, 2014 Category: Science Authors: Stewart Wills (mailto:swills at aaas.org) Source Type: research