Snails seem like slow, unassuming animals until you meet the cone snail. This mollusk packs a punch as one of the most predatory and venomous creatures crawling the seafloor. This YouTube video shows ...

It’s a murder plot played out both in fiction and real life. But now the first known case of murder using insulin has been seen in the natural world, and in a humble mollusc no less. Cone snails are ...