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Nasa's Opportunity Rover Dies on Mars

LIGO Detects Fierce Collision of Neutron Stars for the First Time

New Jersey School District Eases Pressure on Students, Baring an Ethnic Divide

Computers used to “solve” two-person, limit Texas hold’em

Students Are 'Hacking' Their School-Issued iPads: Good for Them

High-Profile MOOC Prof Dumps Coursera

Twitter's IPO: Flying Towards the Stock Market