Deadly plants like ricin-producing castor beans and poisonous nightshade have been used by assassins and spies for centuries. But did you know they also save lives? Discover how these toxic plants ...

castor oil — which is pressed or extracted from castor beans — is approved for just one medicinal use: as a laxative. Here’s what castor oil can — and can’t — do. Todd Heisler/The New ...

Ms Miller said she made the ricin from the castor beans she grew from plants in her apartment A woman living in a US nursing home has admitted making ricin and testing it on other elderly residents.

incorporating castor oil - a plant-based oil derived from castor beans - to ensure performance under extreme temperature ...