* Ape facial expressions foster group harmony, study
finds:
Facial expressions may have evolved as a sort of
social glue in our ape-like ancestors, researchers
say.
http://www.world-science.net/exclusives/070419_expression.htm
* Robotic arm to conduct brain surgery:
The machine will give surgeons an unprecedented
degree of fine control, the designers say.
http://www.world-science.net/othernews/070418_neuroarm.htm
* Grow a garden to fire kids' veggie-ardor:
Homes with fruit and vegetable gardens see healthier
eating among youth, a study finds.
http://www.world-science.net/othernews/070418_garden.htm
* Swarms of dust-sized particles would explore
planets:
Engineers are devising a new breed of planetary
probes: tiny devices that ride the wind.
http://www.world-science.net/othernews/070418_nanonauts.htm
* Ethanol vehicles pose health risks, study claims:
Ethanol is widely touted as a clean, eco-friendly
fuel. But new research challenges that view.
http://www.world-science.net/othernews/070418_ethanol.htm
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