Science and Technology

Seeing stars: McDonald Observatory work with Alpine City Council to cut light pollution could serve as model program, astronomers say

July 17, 2000

Officials with the McDonald Observatory, the Big Bend Astronomical Society, American Electric Power (AEP) and the city of Alpine have completed work on a city ordinance aimed at preserving the darkness and clarity of the night sky while providing cheaper, more efficient outdoor lighting.

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Tropical butterflies demonstrate novel mechanism for protecting themselves from cyanide in passion vine

July 12, 2000

A colorful butterfly species found in tropical rainforests in Central and South America has evolved a remarkable method for overcoming cyanide producing compounds in passion vines, according to biologists at The University of Texas at Austin. The scientists believe their discovery has potential implications for the development of safer tropical food crops -- which today are associated with chronic health problems.

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Auditory brains different in homosexuals and heterosexuals

July 12, 2000

"A large number of physiological and behavioral measures reveal differences between heterosexuals and homosexuals," said McFadden. "The problem for science is to identify the mechanisms--presumably they are hormonal mechanisms--that produce these differences. Our findings suggest that the auditory system may be a valuable, if unlikely, tool for studying those causal mechanisms. Apparently whatever developmental mechanisms are acting to produce homosexuality are also affecting components of the auditory system."

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TMM holds Identification Day Saturday

July 12, 2000

Have you ever wondered about a feather you've found or that quilt from your grandmother's attic? Then bring it with you to Identification Day at the Texas Memorial Museum Saturday (July 15) from 1- 5 p.m. The general public is invited to bring artifacts, fossils, rocks and other natural objects to be identified by TMM expert scientists. The TMM is located at 2400 Trinity Street on The University of Texas at Austin campus.

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Rising computer and Internet use in Texas sparks concerns about privacy, security issues, UT Austin report concludes

July 3, 2000

Computer and Internet use in Texas have reached surprisingly high levels, according to a new study released today (July 3) by The University of Texas at Austin. However, as people become more familiar with the Internet and use it for different tasks, their concerns about privacy and security issues are growing.

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