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The occurrence of underflows or hyperpycnal currents originating from the mouth of the Salinas River should be no surprise, given the long-known riverine bathometric feature existing between the river and Monterey Canyon. The river has a high sediment load, so if these currents weren’t present, sediments from the Salinas River would settle on the continental […]
By Science News -
From the November 14, 1931, issue
PHYSICISTS STUDY EFFECTS OF STRONG WINDS ON SKYSCRAPERS Another official government investigation is getting under way in Washington. The men involved in the new probe are studying a problem of vital concern to every city in America. The investigators working now are scientists, and their problem is to find out whether skyscrapers–including the 10- and […]
By Science News -
ComputingSneaky Calculations
The same communication system that brings you the Web page of your choice can be exploited to perform computations.
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Health & MedicineCholesterol enables nerve cells to connect
Neurons form connections with each other using cholesterol supplied by other brain cells called glia.
By John Travis -
EarthEPA switchback on arsenic
On Oct. 31, the Environmental Protection Agency rescinded its March decision to rescind a proposed tougher limit on arsenic in drinking water and is now planning to implement the tougher limit of 10 parts per billion in 2006.
By Janet Raloff -
EarthCancer risk linked to night shifts
Women who work the graveyard shift increase their chance of developing breast cancer, perhaps because of chronic suppression of melatonin.
By Janet Raloff -
ChemistryFoam gets its shot at anthrax
A recently developed chemical cocktail that kills anthrax spores and breaks down chemical warfare agents and anthrax has received its first real- world trials in anthrax cleanups.
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ChemistryNew sensor can ID dangerous bacteria
When newly created organic molecules, called TWTCPs, are attached to a porous silicon wafer and exposed to a certain class of bacterium, the wafer changes color.
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Leonardo’s Bridge
In 1502, Leonardo da Vinci made a simple drawing of a great, 240-meter bridge that was to span an inlet at the mouth of the Bosporus River in what is now Turkey. The bridge was never built, but Leonardo’s design has been reproduced in a wooden bridge for pedestrians over a highway in Norway. Artist […]
By Science News -
Health & MedicineThe Science of Secretin
The discovery that a gut hormone also exists in the brain may shed light on the origins of autism.
By John Travis -
Health & MedicineReducing blood pressure in the lungs
A new drug seems to help reduce abnormally high blood pressure in the lungs, a condition that can trigger heart failure.
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Health & MedicineSeizures and reproductive ills linked
Abnormal electrical signaling in the brains of women with epilepsy may alter sex hormone cycling and explain why epileptic women seem to have a higher rate of reproductive disorders than do other women.