Notebook
- Humans
From the July 21, 1934, issue
Artificial lightning surpasses nature's own, Dutch Elm disease attacks trees in eastern states, and zinc found to be an essential part of animal diet.
- Humans
From the July 14, 1934, issue
Desert plants cope with permanent drought, study of twins gives clues to epilepsy, and airplanes collect weather information in flight.
- Humans
Caring for a Historic House
The National Park Service offers advice on taking care of the exterior—or skin—of an old home. From repairing shingles and fixing chimneys to painting trim and improving site drainage, this online course provides handy pointers about what to do and what not to do to keep an historic house in good shape. Go to: http://www2.cr.nps.gov/tps/roofdown/index.htm
- Humans
From the July 7, 1934, issue
Fireworks in Fairyland, controlling the sex of warm-blooded animals, and deadly atmospheres on Jupiter and Saturn.
- Health & Medicine
Medical Advice
Looking for medical advice? Medicine On-Line is one place to go. The site covers topics ranging from vaccines to snake bites to white-coat hypertension (the tendency for a patient’s blood pressure to rise in the presence of a doctor). Affiliated with the International Journal of Medicine, Medicine On-Line taps the knowledge and experience of physicians […]
- Humans
From the June 30, 1934, issue
A beetle's eye view of George Washington, cosmic rays, and visualizing air currents around airplanes.
- Earth
Sky Lights
Devoted to atmospheric optics, this Web site offers beautifully illustrated explanations of spectacular phenomena ranging from rainbows to ice haloes. Created by physicist Les Cowley, it features amazing images, along with explanations of how the imaged effects were created by nature. The ice halo section offers downloadable software for simulating various types of halos. Go […]
- Humans
From the June 23, 1934, issue
Young desert hawks in their nest, properties of newly found element 93, and the effect of high pressure on phosphorus.
- Astronomy
Tracking Solar Activity
Part of the Student Observation Network, this NASA Web site offers information and activities related to solar flares and storms. Vividly illustrated online tutorials provide guidelines and background for observing sunspots, recording radio waves, collecting data from magnetometers, and viewing auroras. Learn how to make a sunspot viewer or magnetometer. See live images of the […]
- Humans
From the June 16, 1934, issue
Fanciful creations of the photographer's art, the possible addition of element 93 to the periodic table, and a Triceratops skull on display.
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Backyard Nature
Naturalist Jim Conrad has created a friendly, nicely illustrated introduction to studying nature, starting in your own backyard. The Web site features information on plants, animals, and fungi that might thrive in a backyard. It also provides basic information on ecology, geology, naming and classifying living things, and other topics. Look for the list of […]
- Humans
From the June 9, 1934, issue
Mexican archaeology, dry ice for shrinking metals, and choosing optimal flight paths for airplanes.
