A global effort to photograph every species of ant on this planet is embarking on an international tour, stopping by museums and scientific collections in the United Kingdom. With thousands of American ant species already accounted for, now Brian Fisher and colleagues at the California Academy of Sciences are taking AntWeb overseas.
Every year, a panel of judges at London's Wellcome Collection of medical photographs selects the best of the year's acquisitions. This striking collection, reproduced here, represents the best medical images of the year.
The 19 images cover a wide variety of subjects and techniques, from the above picture of aspirin crystals to a picture of a seed taken with an electron microscope.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.