Show SCIENCE ty the days of columbus only seven metals were known to exist now there are fifty one booi say that all known species of wild animals are gradually diminishing mini shing in size SOAP bubbles arc round because every part of their surface is equally pressed by the atmosphere tun creat artesian well at grenelle france has been flowing steadily without apparent diminution of volume for fifty two yc ir tin galbra tunnel feet lone at an altitude of feet in the andes ii alic greatest elevation in the world at which a piston rod is moved by steam IT takes cubic feet of air to as much as one cubic foot of water if cubic feet were com presed pre sed into the space of one nine foot its would be about the same as ait equal rai ite 1 I lr |