Too much sugar in nectar ‘slows down bees’

Too much sugar in nectar slows down bees, a study has found. Bumblebees offload the nectar they drink from flowers by vomiting, but the more sugar nectar contains, the thicker and stickier it becomes - meaning it takes more time and energy for the bees to regurgitate...

Dungbeetle Navigation

The discovery by Wits University and an international team of Swedish biologists from Lund University - that dung beetles use different directional sensors to achieve the highest possible navigational precision in different conditions - has broken new ground for...