Uncategorized
- Earth
Estrogen effects linger in male fish
Male fish can inappropriately make egg yolk protein, even when only intermittently exposed to water tainted with an estrogenic pollutant.
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Yeast sex: Only for certain partners
Two studies independently confirm that Candida albicans, a strain of yeast long believed to be asexual, can sexually reproduce under certain conditions.
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Metal in diet harms Colorado birds
Cadmium, a metal naturally present in south-central Colorado, concentrates at deadly levels in willow plants, poisoning the ptarmigan that rely on the plant during winter months.
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Silence of the Xs
Does junk DNA help women muffle one X chromosome?
- Health & Medicine
Weight-loss pill carries risks
The drug ephedra and its presumed active ingredient, ephedrine, provide only modest weight-loss effects and pose health risks.
- Astronomy
All-sky survey makes Internet debut
An atlas of some 5 million images from the Two Micron All-Sky Survey is now available online.
- Earth
Mapping watersheds invites comparisons
Computerized maps of environmental features for 154 of the largest river watersheds will soon be available to the public, free of charge.
- Health & Medicine
Microbicide thwarts AIDS virus in monkey test
A microbicidal gel applied vaginally prevents some transmission of the AIDS virus in monkeys.
- Anthropology
The Stone Masters
Investigations of modern-day expert and novice craftsmen of stone tools and decorative stone beads offer insights into the making of stone implements thousands and perhaps even millions of years ago.
- Ecosystems
Cultivating Weeds
Some formerly mild-mannered plants turn into horticultural bullies when planted far outside their native range.
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19310
Like most environmental journalism, the article describes the problem well but not the solution. It would be useful if information about native landscaping were included in this article as an alternative to non-native species. Frank HasslerChampaign, Ill. Your interesting piece on invasive plants touched upon, but otherwise ignored, mycoherbicides for control of noxious weeds. Mycoherbicides, […]
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Inside Violent Worlds
Political conflict and terror look different up close and local.
