TechnologyReal milk, no cows needed: Lab-made dairy products are now a reality Milk, egg and other animal products can now be brewed in the lab using familiar fermentation processes, requiring regulators to reconsider what truly makes something "milk" or "cheese" Features
PhysicsSteel foil coated with nanowires does backflips out of water Extremely thin and water-repellent steel wafers not only float when submerged, they harvest power from surface tension and leap out of water News