The humble modern-day potato, first domesticated about 10,000 years ago, got its start in the Andes mountains before becoming a key crop the world depends on. But because plants don’t preserve well in the fossil record,

A genome analysis indicates wild tomatoes and a potato-like plant called Etuberosum hybridized to create the modern potato

Scientists traced the potato’s origins to the tomato, uncovering a 9-million-year link between two staple foods.