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  1. Paleontology

    Big Gulp? Neck ribs may have given aquatic beast unique feeding style

    The fossilized neck bones of a 230-million-year-old sea creature have features suggesting that the animal's snakelike throat could flare open and create suction to pull in prey.

    By Sid Perkins
  2. Humans

    Letters from the September 25, 2004, issue of Science News

    More of less is more The counterintuitive finding that atrazine is more likely to kill tadpoles when it is highly diluted (“Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals,” SN: 7/10/04, p. 20: Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals) reminds me […]

    By Science News
  3. Tech

    Bartending lessons for microassembly

    Engineers have demonstrated the feasibility of quickly assembling identical microcircuit components by agitating subunits in a liquid.