17.6 teslas: the strength of a magnetic field recently trapped in a thumb-size bar of superconducting material. This is the strongest magnetic field ever trapped in a superconductor. Maglev trains, anyone?
7 times: magnitude increase in the number of wind turbines in the U.S. since 1992. Experts think a renewable-energy tax credit drove this buildup. They're now worried that if Congress does not renew the credit, progress will slow.
**14: **the number of types of non-lethal weapons the U.S. Office of Naval Research sought in a recent call for contracts.
130 percent: mass of a tufted ground squirrel's tail, in relation to its body. This is the greatest tail-to-body ratio for any known mammal. Local hunters report the squirrel species kills deer and disembowels them. Scientists studying the species are keeping an open mind about these claims.
1.118 miles: depth to which devil rays—normally considered an ocean-surface-dwelling fish—have been found to dive.