Uncategorized
- Chemistry
Germ-killing plastic wrap
Scientists have developed biodegradable plastics that release natural germ-killing agents onto the foods wrapped inside.
- Chemistry
Toxic runoff from plastic mulch
Pesticide runoff from tomato fields covered with sheets of plastic can kill fish, clams, and other aquatic life.
- Chemistry
New solution for kitchen germs
Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.
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19349
The heading of this article should have been “The body generates a feeling of the brain.” The whole idea of Antonio R. Damasio’s theory is that bodily reactions precede brain awareness or a person’s awareness of a specific emotion. William Fudge Dania, Fla. Damasio’s theory is that the brain interprets bodily reactions linked to emotions […]
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Brains generate a body of feeling
Happiness, sadness, and other basic emotions activate unique networks of brain areas that track the body's internal status.
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Abused kids lose emotional bearings
Physical abuse and neglect appear to undermine preschoolers' emotional development in different ways.
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19348
Is it within the realm of feasibility that electrons possess an underlying quarklike structure in the manner of protons and neutrons? The hypothesis that electrons can be subdivided into smaller particles termed “electrinos” offers an ideal experimental opportunity to test this concept. Each contingent of such particles could be subjected to repeated expansions into ever […]
- Physics
Electron breakup? Physics shake-up
A controversial theoretical proposal that challenges more than a century of theory and experiments suggests that loose electrons in liquid helium may break into pieces, dubbed electrinos.
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- Earth
The Making of a Grand Canyon
Carving this beloved hole in the ground may not have been such a long-term project.
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19347
I read and reread this article, hoping to find an explanation of where all those sediments have gone. From appearances, they surely all haven’t been deposited in the Gulf of California. Where else? Does anyone have any satisfying theories? Allen Glenn Abilene, Texas Sediments from the erosion of the Grand Canyon have ended up in […]
- Computing
Virtual stampede sees faces in crowd
A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding.
