From the Wires

USA Today: To commemorate the social networking site’s eighth birthday, it launched a website called first-tweets.com.

BBC: Research suggests that sleep loss may cause a permanent loss of brain cells.

CNET: Sony unveiled Project Morpheus, a virtual-reality Playstation 4 headset.

BBC: The Russian president and the leaders of Crimea have signed a bill to absorb the peninsula into Russia.

Bloomberg: Researchers found that foods high in omega-3 do not reduce the risk of heart disease.

New York Times: President Obama has imposed sanctions on key individuals deemed responsible for the current crisis in Ukraine.

BBC: New data suggests that a minimum of two and a half hours of vigorous exercise per week decreases the chance of developing influenza.

CNET: Mark Zuckerberg feels the National Security Agency overstepped its boundaries.

Forbes: A new study found some truth to the “five-second rule,” which suggests it’s safe to consume food that has touched the floor as long as its within the five-second limit.

CNET: Amazon will raise the membership price for Prime premium service from $79 to $99 per year.