Podcast: Tractor Beams, Leonardo’s Trees, and More

David is the Online News Editor of Science.

How did Leonardo da Vinci predict an unusual quality of trees? How do worms avoid food poisoning? And are tractor beams close to becoming reality? Science's Online News Editor David Grimm chats about these stories and more with Science's Online Editor Stewart Wills.

(Listen to the full Science podcast and more podcasts.)

Posted in Physics, Math, Plants & Animals, Plants & Animals podcast