* Nice! A gallery of school lunches across the nation.
* Courtesy thewronghands: meet the 'all-female team of spelunking scientists.' More from National Geographic here.
* Paul Krugman calls out Republicans on their opposition to Obamacare, and the two ways it could end.
* See also: "Hard-nosed obstinacy plays well with the base, but it's not a winning strategy in the end."
* Comparing and contrasting the various sugar substitutes.
* Whoah. Examining neutrinos a mile and a half beneath the Antarctic.
* Endorsing the fist bump as the healthier alternative to the handshake.