Researchers have made significant progress in understanding foam film stability by studying the behavior of liquids containing multiple additives. This breakthrough has potential applications in improving the creamy topping on flat whites, making beer heads last longer, and developing more effective fire-fighting foams.
A new species of wasp-mimicking fly from South Korea has been discovered, with members twice the size of common house flies. The ancient insect, named after PSY's 'Gangnam Style', had distinct yellowjacket-like patterns on its abdomen.
Researchers found that hydrodynamic interactions do not explain the large discrepancy between experimental and simulated nucleation rates in hard-sphere colloids. Their simulations using a reliable model showed that neglecting these interactions led to similar nucleation rates as with hydrodynamic interactions.