On the termite `brick´ trail
(World News Science)

Termites engineer the `bricks´ for their mounds from very fine soil particles. These less-than-half-millimetre-wide spherical pieces called boluses are crafted using moisture and materials (ideally granular, organic, with an affinity for water) available in their surroundings, shows a new study. This information could be used to predict the distribution of termites at local...