Pop and rock music boosted the efficiency of solar cells used to produce electricity by 40 percent, according to a study by scientists in London. Rock on, solar power.
Egypt needs IMF money to stay afloat, but the international lender is demanding tough subsidy cuts from an already-embattled government.
March 14 is Pi Day, which celebrates the mathematical constant measuring the ratio of a circle's circumference to its diameter (beginning with 3.14). Pi Day is celebrated internationally, and in 2009 it was decreed an official holiday by the US House of Representatives. Here are 3.14 ways to celebrate.