Dr. Leakey and his wife toiled for years to prove the theory that mankind first lived in Africa. He finally found the remains of a man many thousands of years older than any previously found.
Dr. Leakey and his wife toiled for years to prove the theory that mankind first lived in Africa. He finally found the remains of a man many thousands of years older than any previously found.
Demonstrates how insects can be controlled to insure man's protection from illness. Shows how a bee tells other bees where to find flower nectar, and how winged termites are sent from the home colony to found new colonies.
Demonstrates how insects can be controlled to insure man's protection from illness. Shows how a bee tells other bees where to find flower nectar, and how winged termites are sent from the home colony to found new colonies.
