Misc: Who is the greek equivalent of the roman god Vesta?

Questions

What shape is a crystal of table salt a cube, oval or sphere?

What southern U S state capital is said to have been named for the Western & Atlantic Railroad?

What travels faster than light a laser beam, sound or nothing?

What tribe of American indians lent their name to a punk rock haircut?

Pink Floyd: This farmyard animal is closley associated with Pink Floyd?