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Nothing was said in your article about the situation in Canada, where killing bears for their gallbladders and paws is a serious problem. I suggest that you contact TRAFFIC North America and the World Wildlife Fund–Canada for detailed information on the problem in Canada. Abby SchwarzVancouver, British Columbia The article states, “Traditional medicine has been […]
- Humans
A Galling Business
Efforts are under way to halt both poaching and inhumane farming of bears to supply bile, an ingredient used in traditional Asian medicine.
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Monarchs in the Classroom
Learn about monarch butterflies and the “Monarchs in the Classroom” program at this Web site from the University of Minnesota. The site provides information on the life cycle of monarch butterflies and their global distribution. Research pages highlight topics of current interest. There’s also information on how to rear monarchs. Go to: http://www.monarchlab.umn.edu/
- Earth
Fertility and Pollution: Dirty air, ozone linked to sperm troubles
Men develop lower sperm counts and produce more sperm with fragmented DNA when the air has higher levels of ozone and other pollutants.
- Computing
Untangling a Web: The Internet gets a new look
A new mathematical model of the Internet shows that it may not be as vulnerable to centralized attacks as previous research suggested.
- Humans
Nobel prizes: The power of original thinking
The 2005 Nobel prizes in the sciences honor a gutsy move, optical brilliance, and chemical crossovers.
- Planetary Science
Saturnian sponge
The first close-up portrait of Saturn's icy moon Hyperion reveals a spongy-looking surface unlike that of any other known moon.
- Materials Science
Heart of the Matter: Scanning scope digs deeper into microchips
Researchers have developed a noninvasive imaging technique that lets them see deep inside a microchip.
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Killer Findings: Scientists piece together 1918-flu virus
Two new studies shed light on the 1918-flu virus by wrapping up efforts to sequence its genome and reconstructing its genes into a living model.
- Archaeology
Q Marks the Spot: Recent find fingers long-sought Maya city
A hieroglyphic-covered stone panel discovered at an ancient Maya site in Guatemala last April adds weight to suspicions that the settlement was Site Q, an enigmatic city about which researchers have long speculated.
- Materials Science
Carbon nanotubes get nosy
Researchers have demonstrated that individual nanotubes, decorated with DNA, can rapidly detect a number of gases.
