TORONTO - 1945 - Canadian servicemen and -women attend a vocational training school after their service, studying various domestic and occupational skills.
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OTTAWA - 1945 - A Canadian fighter pilot successfully tests out Wilbur R. Franks' anti-gravity suit.
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1919 - American soldiers study chemistry, mechanical engineering, and go to the cafeteria at the University of Dijon.
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CANADA - 1944 - Men and women in college enroll in military training classes that for the men include commando obstacle courses across Canada.
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1919 - American soldiers work in a chemistry lab at Beaune University.
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ALBERTA - 1921 - Scientists from the University of Alberta travel to the Red Deer River Valley of Steveville for an archaeological dig.
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USA - 1928 - In this silent comedy, a scientist uses a magnifying glass to see that his fleas are roller-skating on top of a colleague's bald head.
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USA - 1928 - In this silent comedy, a scientist offends a neighbor by using a magnifying glass to see if his fleas have landed on her dress.
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USA - 1928 - In this silent comedy, a scientist uses an elixir to transform sausages into a dog and cat, jewelry into shampoo, and himself accidentally into a monkey.
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CANADA - 1947 - Canada produces a commemorative stamp honoring Alexander Graham Bell, and many phones inspired by his initial invention are displayed.
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ONTARIO - 1946 - Bread is made from scratch at Ottawa's Central Experimental Farm.
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ONTARIO - 1946 - Crops are sprayed with special chemicals and harvested at Ottawa's Central Experimental Farm.
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ONTARIO - 1946 - New kinds of tractors are designed and built at Ottawa's Central Experimental Farm.
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ONTARIO - 1946 - Men and women work in a scientific research lab at Ottawa's Central Experimental Farm, studying vegetables.
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ONTARIO - 1946 - Scientists study seeds at in a lab at Ottawa's Central Experimental Farm.
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ONTARIO - 1946 - Panoramas of exteriors of Ontario's Central Experimental Farm.
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USA - 1949 - A montage shows the different reasons why people might choose one profession over another, ranging from security to wealth.
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USA - 1982 - An experiment with sea slugs and predatory starfish leads to a breakthrough in behavioral biology.
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USA - 1982 - A behavioral biologist uses a probe to send electrical impulses to a sea slug's brain and studies its reactions.
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USA - 1982 - A scientist devises a way to probe and study a sea slug's brain while it's still alive and moving.
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USA - 1982 - A behavioral biologist studies the way sea slugs escape from a starfish probing them.
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USA - 1982 - Using probes and other specialized equipment, a behavioral biologist is able to study which of a sea slug's brain cells trigger which kinds of reactions.
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USA - 1982 - A scientist dissects a sea slug to study its brain cells.
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USA - 1982 - Two betta fish exhibiting aggression towards each other are used to illustrate behavioral biology.
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USA - 1982 - Microorganisms swim in a pond.
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USA - 1956 - A family enjoys the beach while the narrator describes the medical developments that promise to make the future healthier for everyone.
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USA - 1956 - An antibiotic is developed in a chemical laboratory.
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USA - 1956 - Moldy soil samples are brought to a chemical laboratory for study in the development of antibiotics.
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USA - 1956 - A chemist explains how plastic was invented and many toys are made with it.
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USA - 1956 - A chemist explains how cyanamide has led to the creation of man-made rubber, plastics, and fibers.
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USA - 1956 - Stop-motion animation is used to show plastic furniture, suitcases and other goods in the average person's home.
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USA - 1956 - A chemist describes the different uses of chip wood and byproducts of the woodwork industry.
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USA - 1956 - Chemists are able to scientifically expand copper ore.
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USA - 1956 - Mineral samples are dropped off at a mineral dressing laboratory.
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USA - 1956 - Chemists vaccinate sheep on farms and put antibiotics into chickens' drinking water, as well as developing special antibiotic chemical baths for the carcasses in a poultry processing plant so the birds' bodies stay fresher longer.
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USA - 1956 - Chemists develop supplemental nutrients to put into hogs' feed so farmers can grow more, and bigger, pigs.
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USA - 1956 - Many kinds of bugs eat farmers' plants, destroying crops.
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USA - 1956 - Cyanamide is introduced as a synthetic fertilizer and a dusting agent for cotton fields.
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USA - 1956 - An American engineer disembarks from a ship in New York City in 1907 after having studied William Crookes' theory about global starvation.
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USA - 1956 - A montage shows ways mankind ruins potential farmland by building airports, suburbs and mines.
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USA - 1956 - A farmer looks on as a mechanical picker is used to harvest corn on his farm and his family feeds chickens.
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USA - 1956 - A cave biologist explains the food web of a cave.
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USA - 1956 - Ecologists make their way out of a dark cave.
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USA - 1956 - Cave biologists study cave salamanders with rudimentary eyesight and harvestmen that have no eyes due to evolution.
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USA - 1956 - A cave biologist theorizes that many subspecies specific to caves would die out if their caves were to be filled with more light.
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USA - 1956 - A cave biologist studies fish and crayfish that have evolved without pigment or well-developed eyes.
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USA - 1956 - Bats introduce new biological elements to the caves where they live.
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USA - 1956 - Bat guano is a food resource for many cave insects including crickets and worms.