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EarthTomato compound repels mosquitos
New insect repellents based on a compound that contributes to the smell of crushed tomato leaves are under development.
By Janet Raloff -
Materials ScienceMolecular template makes nanoscale helix
Using ribbons made of organic molecules as minuscule templates, researchers have coaxed a semiconductor material into tiny helical coils.
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Health & MedicineWatermelon red means lycopene rich
Watermelon is a far better source of the carotenoid lycopene than tomatoes are and at least as well absorbed by the body.
By Janet Raloff -
HumansFrom the July 9, 1932, issue
MODERNISTIC BUILDING SHOWS ACHIEVEMENTS OF SCIENCE Strikingly modernistic in design and construction is the huge Hall of Science building in Chicago which has been dedicated as the key structure for the Century of Progress Exposition next year.