The Royal Botanic Gardens Kew has unlocked the DNA sequence of thousands of plants. Is the ability to manipulate colour and smell good news for the worldwide floral industry? Also: Pests and pathogens thriving in a warmer climate could wipe out our woodlands. And is Kew’s Millennium Seed Bank the ultimate horticultural insurance policy for the planet? Kenneth Cukier hosts.
Babbage from The Economist (subscriber edition)