Electromagnetic Warfare Is Here. A briefcase-size radio weapon could wreak havoc in our networked world. By William A. Radasky

Powers of Two. Primate Monogamy. Coupling up might have been the best move our ancestors ever made. By Blake Edgar.

Researchers are using new tools to see what works best in classrooms. The results aren't making it to schools. By Barbara Kantrowitz

A blow to the head can sometimes unmask hidden artistic or intellectual gifts. By Darrold A. Treffert.

The race is on to build a machine that can synthesize any organic compound. It could transform chemistry. By Mark Peplow.

To know whether life exists beyond Earth, we must come to terms with our own significance in the universe... By Caleb Scharf

Is the big bang ... a holographic mirage from another dimension? By Niayest Afshordi, Robert B. Mann and Razieh Pourhasan.

Newly discovered lobes stretch many light-years from the Milky Way's disk. By Douglas Finkbeiner, Meng Su & Dmitry Malyshev.

Treated sewage could be the safest, ... source of tap water yet - if we can get over the yuck factor. By Olive Hefferman.

How a world filled with sensors will change the way we see, hear, think and live. By Gershon Dublon and Joseph Paradiso.