Scientists have created a super-slippery material based on a carnivorous plant that, among many applications, could make it easier to get sauce out of ketchup bottles.
The researchers behind the substance were inspired by the Nepenthes pitcher plants, which has a highly slippery surface at the top of its flute-shaped leaves so that insects tumble down into the digestive juices contained inside.
 They found that the plant's leaves have a sponge-like texture that are infused with water, which pr...