Anyone serious about their coffee has likely tried -- or at least heard of -- the Aeropress. It's like a giant espresso-making syringe. You load it with coffee and hot water, plunge the plunger and ...

IN a recent communication by Proom and Woiwod 1 commenting on circular paper chromatography, they state: “although the method is admirable for the separation of two or three substances, it is not a ...