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AnimalsHornbills know which monkey calls to heed
Hornbills can tell the difference between two kinds of alarm calls given by monkeys.
By Susan Milius -
Planetary ScienceRevisiting a forgotten planet
Engineers are readying a NASA spacecraft for a May 11 launch to Mercury, one of the least-explored planets in the solar system.
By Ron Cowen -
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The word love needs to be more carefully defined in the study described in this article. Love may also mean finding the economic resources to give a child a better future. Wolf’s description of Taiwanese mothers giving their children away when “socially acceptable alternatives” were available is reminiscent of our society’s advice to young unwed […]
By Science News -
Mother and Child Disunion
Data on extensive giveaways of daughters by their mothers in northern Taiwan a century ago may challenge influential theories of innate maternal sentiments.