Babbage: What can science do for my garden?

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. For information regarding your data privacy, visit acast.com/privacy