Total left Rub al-Khali early last year, after its program there ran far over its budget and its teams drilled three wells that came up dry.

Often this simply enables a sunscreen with a sun protection factor (SPF) to dry clear and disappear into the skin rather than forming a white paste that takes all day to rub in.

To keep frost from accumulating on the Windows in your home and your vehicle, dip a sponge in salty water and run it over the inside and outside of the glass, then rub dry with a soft cloth.