Podcast: Ant-Flinging Wasps, How to Fold a Steel Shopping Bag, and More

What unusual strategy do wasps employ to combat ants? Can a hormone help people conquer their fear of heights? And how do you fold a shopping bag made of steel? Science's Online News Editor David Grimm chats about these stories and more with Science Podcast host Robert Frederick.

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

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