The Housefly – An Introduction
[ad_1] Houseflies are insects included in the order Diptera (Gk. di – two, pteron – wing). Most other orders have two pairs of wing (i.e. four in all) but houseflies, bluebottles, hover flies, mosquitoes, tetse flies, crane flies (‘daddy long legs’) etc. have only the single pair. Houseflies are of interest principally because they are […]
A Brief Introduction to Recycling
[ad_1] Recycling During the 1960s and ’70s it was thought that emissions from factory chimneys and sewage pipes constituted the biggest environmental problem. But since then, due to new, worldwide “Eco-laws”, these discharges have decreased considerably. Instead, the focus has switched to the environmental problems associated with the goods that are produced and consumed in […]