11.   Apparently, insects had some secret that aeronautical engineers lacked.

12.   But insects also have wings, as do bats.

13.   Flying insects have elastic mechanisms in their wings that store and release energy, allowing them to minimize the tremendous effort needed to sustain flight, scientists said Thursday.

14.   However, most insects have a mechanism to survive cold weather.

15.   If resistance to Bt is not to spread, a resistant insect has to be overwhelmingly likely to mate with an insect that is not resistant to Bt.

16.   Insects have the ability to adjust their altitude, looking for the temperature they want to fly in, he said.

17.   Insects have the most highly developed sense of taste with taste organs on their feet, antennae and mouthparts.

18.   Other insects have hooks on their phalluses that clasp a struggling female into position until the job is through.

19.   Unlike humans and other vertebrates, insects do not have a circulatory system that actively transports oxygen to cells.

20.   With rain and flooding, the mosquito population increases because the insects have many suitable breeding sites.