April 22, 2013 Ken Caldeira is trying to come up with a big solution to the problem of increasingly acid oceans: antacids for coral reefs. That might keep the reefs from being destroyed by humans' use of fossil fuels. And that's not his only big idea. But even Caldeira admits that his audacious plan could fail.
April 21, 2013 When the only known poem Winston Churchill wrote as an adult went up for auction in London recently, it was expected to fetch a pretty penny. But the poem failed to fetch a buyer, and now its fate is unknown. New Yorker Poetry Editor Paul Muldoon takes a critical look at "Our Modern Watchwords."