Uncategorized
- Chemistry
A new molecule and a new signature
In two independent discoveries, chemists have prepared a new form of nitrogen and captured the infrared spectrum of an unusual molecule made up of hydrogen and oxygen.
- Materials Science
Scientists make nanothermometer
A carbon nanotube filled with gallium can be used to measure temperatures in microscopic environments.
- Astronomy
UV telescopes: One dead, one revived
One ultraviolet observatory burned up in Earth's atmosphere late last month while another has gotten a new lease on life.
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19051
My olfactory sense was alerted while pregnant but stayed on guard. After 7 years, it’s sharper than ever. I can smell the minutest scents, which means my taste buds are equally sensitive. In some ways, it’s a blessing, but I end up smelling more than I want to: men too interested in me, a married […]
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Women whiff men in sniff proficiency
Women of reproductive age exhibit a unique ability to learn to detect specific smells with great sensitivity, an aptitude that may reflect the activity of female hormones in the brain.
- Animals
Yellower blue tits make better dads
The yellow feathers on a male blue tit's breast could tell females that he'll be a good provider for the chicks.
- Plants
Tropical plants grow cool flowers
Tropical plants that position their flowers in the general direction of the sun are keeping the temperature comfortable for pollinators.
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18992
In this article there is a graph showing sharp peaks of ghrelin at mealtimes and a rapid drop-off after the meal is eaten. There is also a peak during the night, but there is no meal responsible for the drop-off. Does the research indicate what happens to the ghrelin level during the day when a […]
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19050
This article indicates that the researchers were surprised that the participants from “traditional societies” acted in some mode rather than pure self-interest. This isn’t surprising if you accept the notion that true self-interest is that which gives the most overall personal benefit both now and in the foreseeable future. All of the participants acted exactly […]
- Anthropology
A Fair Share of the Pie
A cross-cultural project suggests that people everywhere divvy up food and make other economic deals based on social concepts of fairness, not individual self-interest.
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From the February 13, 1932, issue
TESTS SHOW STEEL COLUMNS STRENGTHENED BY BRICK WALL Steel-frame buildings, from modest structures of just a few floors to the tallest skyscrapers, may be built more economically with the use of less steel as the result of facts discovered by research at the U.S. Bureau of Standards. This study, which was carried out in the […]
