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  1. Mental Meeting of the Sexes: Boys’ spatial advantage fades in poor families

    The frequently observed superiority of boys to girls on tests of spatial skill disappears in children of poor families, indicating that this mental ability responds more sensitively to environmental influences than has been assumed.

    By Bruce Bower
  2. Paleontology

    Ancient Grazers: Find adds grass to dinosaur menu

    Analyses of fossilized dinosaur feces in India reveal the remains of at least five types of grasses, a surprising finding that's the first evidence of grass-eating dinosaurs and an indication that grasses diversified much earlier than previously recognized.

    By Sid Perkins

  3. 19614

    The picture caption in this article states, “This phytolith, which was extracted from fossilized dinosaur dung unearthed in India, indicates that the reptiles dined on grasses.”