Researchers trained flatworms, then decapitated them. After their heads grew back, researchers found they had retained their training.
Earthworms are 82% protein, rich in Omega 3, and pair well with cumin and curry.
Two Christian monks smuggled silkworms out of China in bamboo canes. Those silkworms were used to give the Byzantine Empire a trade monopoly in Europe, which became the foundation of their economy for the next 650 years.
In 1999, Darlington Football Club bought 50,000 worms to irrigate their waterlogged pitch. They all drowned.
Charles Darwin calculated that English soil contained 50,000 worms an acre.