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Physicists of the group of Prof. Anton Zeilinger at the Institute for Quantum Optics and Quantum Information (IQOQI), the University of Vienna, and the Vienna Center for Quantum Science and Technology (VCQ) have, for the first time, demonstrated in an experiment that the decision whether two particles were in an entangled or in a separable quantum state can be made even after these particles have been measured and may no longer exist. Their results will be published this week in the journal Nature Physics.

On January 23 the U.S. Supreme Court ruled unanimously that law enforcement authorities do not generally have a right to affix a GPS tracking device to a suspect's car without first obtaining a valid warrant.

CBS News correspondent Wyatt Andrews reports on the decision of Health and Human Services Secretary Kathleen Sibelius to restrict the sale of the morning after pill, Plan B - against the recommendation of the FDA that the drug be sold over-the-counter.