![Naked Scientists Special Editions show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/511/small/naked-scientists-special-editions.png)
Summary: A species of tropical vine attracts its bat pollinators using acoustic signals, rather than bright colours or smells, according to a study published in the journal Science this week. In this special podcast, Dr Marc Holderied discusses this unique discovery.