TechnologyNew blues: The quest to make the world’s rarest colourNatural blue pigments to colour paints, inks and plastics are so hard to find that people will go to the depths of Earth to discover new onesFeatures
PhysicsSuperheated water makes microwaved eggs explode when you dig in Be careful when nuking your breakfast. A hard-boiled egg reheated in the microwave can explode with a rush of steam and a sound as loud as a chainsaw News