In cooking, what process involves quickly immersing food into boiling water and then into ice water?

Blanching

What giant creature held the multiple serpent heads and lived in a lake at Lerna? How many days does it typically take for the Earth to orbit the Sun? Which Pacific island nation's capital is Suva? What was America's policy at the beginning of World War II? What cyberpunk action RPG was developed by Eidos Montréal and centers around augmentations and conspiracies?