Uncategorized
- Animals
Hornbills know which monkey calls to heed
Hornbills can tell the difference between two kinds of alarm calls given by monkeys.
By Susan Milius - Planetary Science
Revisiting 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.
By Bruce Bower -
The Bad Seed
Researchers are racing to identify tumor-forming stem cells in skin, lung, pancreatic, and many other cancers.
By John Travis - Earth
Smoking out a source of painful menses
Breathing in secondhand smoke may contribute to the development of menstrual cramps.
By Janet Raloff - Earth
Allergic to computing?
The plastic cases of certain computer monitors emit a chemical—triphenyl phosphate—that can cause allergic reactions.
By Janet Raloff - Health & Medicine
Immune response in brain sparks nausea
Ailments ranging from the common cold to many types of cancer can make people nauseous, an effect that may occur because signals from the brain suppress the muscle contractions required for digestion.
- Health & Medicine
Cell therapy not just for Parkinson’s
Transplanted nerve cells can survive in the brains of people who have suffered strokes and may alleviate some brain damage.
- Health & Medicine
Making scents of Alzheimer’s
Among people with mild symptoms of memory loss, a limited ability to recognize smells—along with an inability to detect the disability—has been linked to the future development of Alzheimer's.
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Your article describes how the male bean weevil’s spiked reproductive part damages the female’s reproductive tract to reduce the chance that she will mate with other males. Could this also explain the barbs on the organ of the domesticated tom cat? I have read that the pain of copulation induces the female’s ovulation, but I […]
By Science News -
Bean weevils get a kick out of mates
Breeding in stored grain throughout the tropics, bean weevils represent an unusually clear example of the evolutionary male-female arms race.
By Susan Milius