Southwest may no longer clean coach seats between flights — and the reaction is no surprise: 'Sit in filth unless you pay extra?'

This scuttlebutt is bad news for butts. Flying with Southwest Airlines could mean flying with the spills, fluids, flakes and grime left by the guy who sat in the seat right before you, per alarming ...
C&EN

The science behind the fluoro wax tests at the Olympics

This year’s Winter Olympics was the first to deploy the fluoro wax test, which is based on Fourier transform infrared spectroscopy to detect carbon-fluorine signatures.