HealthStretchy electrodes shrink when wet to fit snugly around organs A material inspired by spider silk contracts to less than half of its length when exposed to water, and could be used for soft medical devices that adjust their shape around tissues and organs inside the body 51¶¯Âþ
ChemistryHomemade malt is the key to baking the perfect loaf of bread The secret to a perfect, golden loaf (or tasty brew) is an enzyme in malt. And making your own is easy – it just takes some barley grains, water and a bit of patience, says Sam Wong Regulars