Uncategorized
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There’s no faking it
The brain activity in men and women having an orgasm is very similar.
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HIV protein breaks biological clock
The AIDS virus secretes a protein that interferes with an animal's biological clock.
- Health & Medicine
Cleaning up glutamate slows deadly brain tumors
Eliminating the glutamate released by brain tumors may slow the cancer's growth.
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Protein triggers nerve connections
Nonnerve cells called astrocytes secrete a protein that enables nerve cells to connect.
- Health & Medicine
Drug cuts recurrence of breast cancer
Letrozole, which blocks estrogen production, reduces recurrence of breast cancer in women who have exhausted the usefulness of tamoxifen, the frontline cancer drug for this disease.
- Earth
Fill ‘er up . . . with a few tons of wheat
A new analysis suggests that the amount of ancient plant matter that was needed to make just 1 gallon of gasoline is the same amount that can be grown each year in a 40-acre wheat field—roots, stalks, and all.
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19288
Your article states, “There are about 4.14 kilograms of carbon in a gallon of gasoline, says Dukes.” If he actually said that, this would seem to qualify this gasoline as an “alternative fuel,” since a gallon of ordinary gasoline is only about 2.5 kilograms in mass. Perhaps Dukes meant 4.14 pounds of carbon per gallon. […]
- Ecosystems
UK halts badger kill after study of TB
Partial results from a new study have pushed the United Kingdom to stop its controversial, decades-old policy of killing local badgers if cattle catch TB.
- Health & Medicine
Testing Times
Relying in part on a new rapid HIV test, health officials are working to identify and treat more HIV infections earlier in the course of the disease.
- Humans
Munching Along
New Orleans' French Quarter has become a central proving ground for new technologies to find and attack the North American invasion of especially aggressive and resourceful alien termites.
- Math
Pentomino Battleships
Many of you are probably familiar with the two-player, pencil-and-paper (or electronic) game known as Battleships. There are 12 different pentominoes, each one consisting of five adjacent squares. Traditionally, each pentomino is identified by the letter of the alphabet that it roughly resembles. On separate 10-by-10 grids of squares, each player deploys a fleet consisting […]
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From the November 18, 1933, issue
“ROSETTA STONE” OF PREHISTORIC AMERICA Frank M. Setzler of the Smithsonian Institution is shown pointing to a little pottery bowl which he likens to the Rosetta Stone of the Nile because it is decorated with two kinds of art design, one known and the other unknown. Together with other discoveries made under Mr. Setzlers direction […]
