In one-step hair coloring products such as Miss Clairol, where you can combine different shades, you can add drabbers, which are ashy substances that minimize the red hues that exist in your hair.

Evaporative cooling via the respiratory tract in birds is enhanced by increased movement of the air by panting or by gular flutter.

Swearing doesn't just mean what we now understand by dirty words. It is entwined, in social and linguistic history, with the other sort of swearing: vows and oaths. Consider for a moment the origins of almost any word we have for bad language – profanity, curses, oaths and swearing itself.

My stepmother, aware of trends, told us we would be “LAT,” for “living apart together,” referring to couples that choose to live separately — even far apart — while remaining committed.