How to's of butterfly rookeries

Article Abstract:

Butterfly collection can be best started by allowing 4 preferred species to mate. The resulting caterpillars must be transferred to a place, preferably near a plant, where there is adequate food and sunlight. After full development, selected breeds can be mounted on a balsa wood.

Methods, Butterflies, Collections and collecting, Wild animal collecting

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Making experiments out of thin air

Article Abstract:

Amateur scientists can study the effects of a vacuum on insects or plants through the construction of a spherical altitude chamber. Detailed instructions are provided for construction using materials such as a Pyrex bowl, a vacuum pump, and valves.

Research, Analysis, Management, Altitude, Influence of, Vacuum

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