5,537 results
5,537 results for: Forests
- Humans
From the December 16 & 23, 1933, issues
STRENGTH OF CRATES TESTED BY TOSSING An important phase of the work of the timber mechanics department of the U.S. Forest Products Laboratory at Madison, Wis., has been to perfect the designing and nailing of these boxes so that their durability is greater. Chemically treated nails and reinforcement by diagonal braces have given more rigidity […]
- Humans
From the December 16 & 23, 1933, issues
STRENGTH OF CRATES TESTED BY TOSSING An important phase of the work of the timber mechanics department of the U.S. Forest Products Laboratory at Madison, Wis., has been to perfect the designing and nailing of these boxes so that their durability is greater. Chemically treated nails and reinforcement by diagonal braces have given more rigidity […]
- Humans
From the August 18, 1934, issue
The Great Dust Storm of 1934, preferred sleep position and handedness, and tensor theory applied to electrical machinery.
- Animals
Save the Tapir
Tapirs are relatives of horses and rhinos. Sometimes known as “living fossils,” these unusual animals inhabit jungle and forest lands in Central and South America and Southeast Asia. The Tapir Gallery provides information about tapirs, including images and an extensive bibliography. A student section of the Web site, produced by the Tapir Preservation Fund, provides […]
- Ecosystems
Forest Field Trip
Take a hike in the woods of Kentucky in this electronic field trip. The site offers an overview of forest ecology and management for grades 4 to 8. It includes video clips, an interactive game, a slideshow about the American chestnut, information about forest careers and tree products, activity pages, and a teacher’s guide. Go […]
- Humans
From the March 21, 1936, issue
An arctic myth debunked, a treatment for high blood pressure, and a radio tube with no filament.
- Humans
From the April 4, 1936, issue
Hidden blossoms of spring, postponing old age, and the future of atomic energy.
- Ecosystems
Madagascar’s Fantastic Forests
Produced by WBUR in Boston to accompany a special program on Madagascar, this award-winning Web site offers a remarkably detailed look at life on this island, with a focus on the struggle to preserve Earth’s diversity of life. It includes photo galleries, audio clips, videos, maps, and much more. Go to: http://www.wbur.org/special/madagascar/
- Humans
From the August 29, 1936, issue
Fighting forest fires with science, a young Milky Way, and atom-smashing cosmic rays.
- Humans
From the June 19, 1937, issue
Raindrop disruption as the cause of lightning, phonograph recordings of the language of wild gibbons, and a possible connection between jaundice and arthritis.
- Humans
From the June 26, 1937, issue
Fur fashions from Ethiopian monkeys, the Big Bang as the source of cosmic rays, and ensuring airline pilots get enough oxygen.
- Humans
From the July 31, 1937, issue
Giant dragonflies from the Carboniferous period, a dust cloud obscuring stars near the sky's north pole, and a list of 13 inventions predicted to have great social significance.
