Environment

Desert ants cannot be fooled.

23/11/2017 0

Cataglyphis fortis desert ants can learn visual or olfactory cues to pinpoint their nest, but only if these cues are unique to specify the nest entrance. Scientists from the Max Planck Institute for Chemical Ecology […]

Environment

How to cut your lawn for grasshoppers.

23/11/2017 0

Picture a grasshopper landing randomly on a lawn of fixed area. If it then jumps a certain distance in a random direction, what shape should the lawn be to maximise the chance that the grasshopper […]

Environment

Thinking big by burning small.

20/11/2017 0

A recent paper by scientists from Wits University in South Africa shows how creative fire management can increase habitat for wildebeest and other grazing animals in national parks. The work, published in the Journal of […]

Nature

The pros and cons of large ears.

13/11/2017 0

Large ears increase air resistance, meaning that long-eared bats are forced to expend more energy than species with small ears. On the plus side, large ears generate more lift and provide better hearing. Good hearing […]