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The morning-after pill for emergency contraception was first approved by the FDA way back in 1999. Since then, activists have been fighting with two administrations to allow over-the-counter sales to women and teenagers. Now, after a long legal fight, the agency has agreed. We put together a timeline to recap the saga.

Vegetables plucked from grocery store shelves can be made to respond to patterns of light and darkness, according to a report in the journal Current Biology. Janet Braam and colleagues found that cabbages change their levels of phytonutrients throughout a daily cycle.

Coffee beans are filled with oils that emerge from coffee grounds under high pressure. These oils form the crema - "the frothy stuff" on top of an espresso. In the last installment of Science Friday's series on coffee, food-science writer Harold McGee, author of On Food and Cooking, explains the chemistry of crema.

Anthony Marshall, 89, was ordered to begin serving a one- to three-year prison term on a 2009 conviction for defrauding his famous mother.

The former Justice Department official under President George W. Bush is best-known for thwarting an effort by White House aides to reauthorize a warrantless-wiretapping program.

Brooklyn's annual Mermaid Parade draws thousands of wacky, colorfully costumed revelers. The 2013 event was almost canceled after the parade's nonprofit sustained severe damage during Superstorm Sandy. But after a successful fundraising campaign, Coney Island's signature event has its sea legs back.

Revelations that Google, Microsoft and other tech companies have been providing user data to the National Security Agency may have tainted those companies' reputations for independence. Those companies share information with the government, often voluntarily. In the process, many have earned the status of "trusted partners."

China's "Tianhe-2" (Milky Way 2) supercomputer took first place in one recent speed test, clocking in at 30 quadrillion calculations per second--about twice as fast as the best American machines. The U.S. still has more supercomputers than any other nation, but some experts say computer speed is a measure of a country's scientific innovation, and worry the U.S. is lagging behind.

The U.S. Justice Department has prepared the documents to formally charge Edward Snowden with espionage. Snowden is the former contractor who has publicized details about U.S. surveillance programs

Should you skip the bedtime stories and do math problems instead? Laura Overdeck, the founder of "Bedtime Math," thinks so. Overdeck discusses her program for tucking kids in with equations, and tells why she thinks it helps kids keep up their math skills over summer vacation.