First, always carry an aspirin in a case you or anyone else suffers a mild heart attack (a 300mg tablet can halve the size of a heart attack).

He cut the prices on 300 lines by up to 15%, then halved the size of the operating board to 10 directors.

Larvae exposed to mucus from predatory fish respond to the threat by cloning themselves, thus doubling their numbers while effectively halving their size.