Notebook
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DNA Day
Celebrate DNA Day on April 30, commemorating the completion of the Human Genome Project in 2003 and the description of DNA’s structure as a double helix in 1953. The National Human Genome Research Institute offers a variety of resources, including genetic education modules for teachers and other curriculum materials and teaching tools. Go to: http://www.genome.gov/DNAday/
- Math
Functions on Display
To mathematicians, the term “function” has a specific meaning. It’s a rule that assigns a fixed output for a given input; in effect, a formula. Among the most familiar functions are the sine and cosine functions of trigonometry. The Wolfram Functions Site offers a huge functions database, providing information about and visualizations of more then […]
- Humans
From the April 14, 1934, issue
Yawning spells, disagreeable alcohols from anaerobic respiration, and how antibodies protect adults from disease.
- Humans
From the April 7, 1934, issue
Pouring the 200-inch glass disk for a new telescope, a new man-ape link, and planetary weather cycles.
- Humans
Sense of Smell
Get in touch with your sense of smell. This invitation comes from the Sense of Smell Institute, which aims to spotlight the importance of smell in human psychology, behavior, and quality of life. The institute’s Web site offers a report addressing what would happen if you were to lose your sense of smell. The site […]
- Humans
From the March 31, 1934, issue
A desert earthquake, producing bromine from seawater, and nerve damage from alcohol consumption.
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Understanding Evolution
Understanding Evolution is an extensive Web site designed to meet the needs of K–12 teachers presenting evolution in the classroom. Developed by the University of California Museum of Paleontology at Berkeley and the National Center for Science Education, the site provides an informal online course covering essential science content, as well as a searchable database […]
- Humans
From the March 24, 1934, issue
A meteorite photo, the discovery of triple-weight hydrogen (tritium), and a new mirror for movie production.
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Earth Image
Presented by the Universities Space Research Association, this Web site features a new photo, graphic, or illustration every day. Each one deals with an aspect of earth science. Captions provide information about the images and links to related Web material. The archive, dating back to September 2000, includes images of atmospheric phenomena, unusual cloud formations, […]
- Humans
From the March 17, 1934, issue
An African snake handler, the speed of lightning, and the emptiness of nebulae.
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Coral Reef Report
Coral Reef Report is a new online magazine that aims to “celebrate the power and mystery of the planet’s coral reefs.” It features articles, personal stories, audio interviews, photo galleries, news items, and other materials devoted to exploring and elucidating the beauty of coral reefs. Go to: http://coralreefreport.info/
- Humans
From the March 10, 1934, issue
High-speed photography, artificial radioactivity, and earthquake prediction.
