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  1. 19226

    This article on waterproof coats was interesting, but the process used by the Turkish scientists would require evaporating the solvent. Should not possible harmful environmental side effects be considered before a new industrial process is created? Kenneth CrookSan Jose, Calif. I believe this same phenomenon occurs on the leaves of the common perennial lady’s mantle […]

    By Science News
  2. Materials Science

    Waterproof Coats: Materials repel water with simplicity, style

    Researchers have produced new types of water-repelling surfaces, including one that's colorful and another made of inexpensive plastic.

    By Jessica Gorman
  3. Earth

    Sexual Hang-Up: Fish hormones change when oxygen is scarce

    Oxygen deprivation—an escalating problem in freshwater ecosystems worldwide—tampers with sex hormones in carp and might underlie the decline in some fish and amphibian species.