This week in Astronomy and Physics

Generation of three-qubit entangled states using superconducting phase qubits

The Lick-Carnegie Exoplanet Survey: A 3.1 M_Earth Planet in the Habitable Zone of the Nearby M3V Star Gliese 581

Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish

New Look At The Path Integral Of Quantum Mechanics

Noncommutative Spherically Symmetric Spaces