Stone Age hunters in northern Europe may have used poison arrows to hunt big prey
Phys.org ·
Autumn walks in Britain are glorious, as the foliage changes color and cool, crisp air begins to bite. However, some of these European trees hide a much darker secret. For example, the yew tree's lovely red arils—the cup-shaped coverings around the seeds—carry toxins that may have been used to poison arrow tips in the past.