When bees visit, they could be cuckoo bees, or neighbours trying to lay their worker eggs, disrupting the small colony. Airport checks are much more chemical and careful than ours!

The way in which cephalopods and chameleons communicate is colour-based. More study is needed on how much information is passed on. The physiology, the status and the “drive” can be explained now by rate change and colour brightness in different parts of the anatomy

What to do? Our governments insist we should use new forms of fossil fuels to maintain the energy capacity we have always had. But how many in those governments have any knowledge of the chemistry, the environmental science or even the health effects. Basically, none!

Masdar is launching its annual global sustainability debate at ADSW again. The blogging contest will appeal to a very wide range of people, focussing on cities and sustainable development.

The deodorant story progresses with a natural solution that has no aluminium or other ''contaminant'' to cause you any allergies or discomfort. Rubbing this in your skin could solve any BO problems!

When you seek the Fountain of Youth, you should not look any more in North America. The place is filling up quickly with waste of all shapes and sizes - check with Phil.