Paper can only be recycled 3 times, because the fibers get shorter and weaker each time the paper is recycled.
Slave labour
Slave labour Ladybugs are one of nature's best pest-killers.
However, they usually fly away before they finish the job. Now
French researchers have developed a way to breed ladybugs which
can't fly. This makes them much more useful as a natural way to
control pests on crops. 26 SEPTEMBER 1998, P. 11
Cool Articles
