Uncategorized
- Earth
Tomato compound repels mosquitos
New insect repellents based on a compound that contributes to the smell of crushed tomato leaves are under development.
- Materials Science
Molecular template makes nanoscale helix
Using ribbons made of organic molecules as minuscule templates, researchers have coaxed a semiconductor material into tiny helical coils.
- Health & Medicine
Watermelon 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.
- Humans
From 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. Its two floors and mezzanine, containing 9 acres of exhibit space, will illustrate the development of the sciences […]
- Humans
Building America
The “Building America” online exhibition by the National Building Museum provides a vividly illustrated overview of U.S. achievements in architecture, engineering, construction, planning, design, and landscaping. Timelines chronicle the evolution of buildings, from houses to skyscrapers, and environments, from historic New England towns to contemporary suburbs. Essays delve into the forces that affected U.S. architecture […]
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Tough Tradeoff: Beetle brains show how sex shortens life
Brain surgery in beetles reveals yet another way that having sex can shorten life.
- Humans
Official Concern: U.N. weighs in on acrylamide toxicity
A United Nations panel concluded that, in fried, grilled, and baked foods, the formation of acrylamide, a carcinogen and nerve poison in rodents, constitutes "a serious problem."
- Paleontology
Into the Gap: Fossil find stands on its own four legs
A fossil originally misidentified as an ancient fish turns out to be the nearly intact remains of a four-limbed creature that lived during an extended period noted for its lack of fossils of land animals.
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The Eyes Have It: Newborns prefer faces with a direct gaze
Only a few days after birth, babies already home in on faces that fix them with a direct gaze and devote less attention to faces with eyes that look to one side.
- Health & Medicine
His-and-Her Hunger Pangs: Gender affects the brain’s response to food
Men's and women's brains react differently to hunger, as well as to satiation.
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19019
From my observations of men and women, I think men crave meat more than women do, whereas women crave pastries more than men do. If the team would offer chocolate éclairs, the PET scans might show more prefrontal cortex activity in women’s brains, less in men’s. Since men’s brains showed more, I suspect the liquid […]
- Physics
Heightened Resistance: Sharper shaft points to smaller bits
Scientists have exploited a method for detecting the orientations of magnetic fields to achieve a remarkable leap in detector sensitivity.
