It’s a force to be reckoned with. Gravity is what holds Earth in orbit around the sun and keeps us from floating off into space. Unfortunately, it can — quite literally — be a real downer. The ...

IN the course of some work on lapis lazuli, we were astonished to find how wide was the discrepancy between the specific gravities of our specimens and the values accorded to this rock by all the ...

UNDER this title I have communicated to the Chemical Society the results of a prolonged investigation on the connection existing between the weights of unit volumes of liquid substances and their ...