Ruth Bennett

All Stories by Ruth Bennett

  1. Sexual orientation linked to handedness

    A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.

  2. Mice can thank a hormone for the memories

    Oxytocin, a hormone previously implicated in mammalian sexual and maternal behavior, may play a role in social recognition in mice.

  3. Hands, not eyes, hold clue to illusion

    Psychologists disprove a leading hypothesis for the size-weight illusion—an error that arises when people try to estimate the weights of two bodies of different sizes but the same mass.

  4. Animals

    Single singing male toad seeks same

    Male spadefoot toads of the Spea multiplicata species evaluate male competitors by the same criterion females use.

  5. Astronomy

    Survey confirms composition of the cosmos

    A team of astronomers announced this week that after measuring the redshifts of 100,000 galaxies, they have new evidence for what makes up most of the mass of the universe.