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  • Scicurious

    Scientists may work to prevent bias, but they don’t always say so

    For a scientist, conducting a scientific study is walking into a minefield of potential biases that could detonate all over the results. Are the mice in the study randomly distributed among treatment groups? Does the person evaluating an animal’s behavior know what treatment the mouse got — and thus have an expectation for the outcome? Are there enough subjects in each group to reduce the odds...

    02/28/2017 - 15:53 Science & Society
  • Growth Curve

    A preschooler’s bubbly personality may rub off on friends

    A preschool classroom is an ecosystem unlike any other. Scents of glue and snack time waft through the air. Bright, clunky art papers the walls. Fun-sized furniture makes visiting adults feel like awkward giants. In the name of science, a team of psychologists spent an entire year inside two such rooms, meticulously documenting changes in preschoolers’ personalities.

    By the end of the...

    02/23/2017 - 08:00 Child Development, Health
  • Permission to Republish

    Society for Science & the Public, publisher of Science News and Science News for Students (formerly Science News for Kids), grants non-exclusive, one-time rights to reproduce content to third parties for editorial, commercial and educational purposes. Publishers, media organizations, for-profit and non-profit organizations (including schools, educators and government agencies) may acquire...
    01/30/2017 - 15:54
  • News

    Early exposure to signing helps deaf kids on mental task

    WASHINGTON — Deaf children who learn to sign early may boost their brainpower in ways unrelated to language.

    “Most deaf children are born to hearing families, and most hearing parents do not sign with their newborn deaf children,” clinical neuropsychologist Peter Hauser, who is deaf, explained February 12 at the annual meeting of the American Association for the Advancement of Science. “...

    02/13/2016 - 13:21 Neuroscience, Biomedicine, Health
  • Reviews & Previews

    Three kids’ science books offer fun, fascinating experiments

    Summer has flown by. As the school year begins, three recently published books can pique kids’ curiosity about science and get them experimenting. The books, newly out in paperback or revised edition, offer a wealth of ideas for budding naturalists, physicists or chemists.

    Many at-home, do-it-yourself physics books boast that their experiments can be done with household items, but then...

    08/14/2015 - 06:00 Chemistry, Physics, Ecology
  • Feature

    The tree of life gets a makeover

    The tree of life might seem like a stable design, appropriate for indelible ink. Plenty of people think so. An Internet search for “phylogenetic tattoos” turns up some showy skin art.

    But the branches are shifting. Since a radial diagram based on 1990s genetics inspired a rush for tree-of-life tattoos, technical diagrams of life’s ancestral connections have been redrawn. And the...

    07/29/2015 - 15:00 Evolution, Microbes, Genetics
  • 50 Years Ago

    Tech in the classroom foreseen 50 years ago

    Invasion of classroom by gadgets foreseen — Machines that may teach the students of the future are attracting both industrialists and educators. One gadget enables each student in the classroom to take tests that are corrected as they are given, with the student “talking back” to the teacher. Typewriters operated by the student will admonish and inform the learner when a wrong answer to a...

    06/11/2015 - 12:00 Science & Society
  • Context

    Old periodic table could resolve today’s element placement dispute

    If you ever want to open a chemistry theme restaurant, you should be sure to furnish it with 118 tables — one for each element. Note that it could not be a Greek restaurant, because then the number of tables would be limited to four. Yours, instead, would be a geek restaurant. You could call it The Periodic Tables.

    Anybody who has ever had an encounter with chemistry should get the joke...

    04/23/2015 - 06:00 History of Science
  • Scicurious

    Women in engineering engage best with gender parity

    Even when a woman is confident in her abilities, it can be a chilling experience to be the only woman in the room. Suddenly her voice sounds higher in her ears. She begins to worry she’ll be talked over. And in male-dominated careers, it might end up meaning a woman never speaks up in the first place.

    In some situations, it really does help to have other women around. A new study finds...

    04/06/2015 - 17:16 Science & Society
  • News

    Sodium and other alkali explosions finally explained

    View the video

    Lights, camera, kaboom! With snapshots from a high-speed camera, chemists can finally explain why sodium and other alkali metals blow up in water.

    Just before the explosion, spikes burst from the metal’s smooth surface, setting off a chain reaction that ignites the metal. The blast’s film debut, appearing online January 26 in Nature Chemistry, offers a long-awaited...

    01/26/2015 - 11:06 Chemistry