Archive for November, 2012

Particle physicists confirm arrow of time — for B mesons

November 19, 2012 Leave a comment

The measurement by BaBar at SLAC confirms that time reversal symmetry is violated.


When is it right to let your unborn baby die?

November 5, 2012 Leave a comment

How late in pregnancy might you risk a stillbirth rather than deliver early? My article for Slate.