ChemistryBeirut explosion: What caused the blast and what else do we know?Here's what we know so far about the cause of the massive blast in the port area of the city of Beirut, Lebanon, on 4 AugustNews
PhysicsWe've figured out why bubbles make a 'pop' sound when they burst A number of difference forces are involved in producing sound when a bubble pops, and the exact noise depends on the chemical properties of the soap film News