Uncategorized
- Earth
Major mood swing alters Pacific character
The temperature of the North Pacific Ocean has apparently veered from one extreme to the other—a change that could alter North American weather for the next decade or two.
- Health & Medicine
Meaty receptor helps tongue savor flavor
Scientists have identified a receptor protein in taste buds that recognizes the flavor of monosodium glutamate.
- Health & Medicine
New Compounds Inhibit HIV in Lab
Two new compounds uncovered by pharmaceutical scientists block integrase, an enzyme essential to the replication cycle of the virus that causes AIDS.
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From the January 25, 1930, issue
IF AMERICA HAD NOT BEEN DISCOVERED The suggestion that ancient America appears to parallel ancient Europe rather remarkably was made recently by Dr. A.V. Kidder, archaeologist of Phillips Academy, Andover, and director of archaeological researches for the Carnegie Institute of Washington. Dr. Kidder pointed out that the Mayan Indians who lived in Central America and […]
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Let’s Go to Lascaux
Take a virtual trip to France’s Lascaux Cave. Gawk at the prehistoric paintings and engravings while learning about the site’s history, scientific work performed there, and Stone Age art techniques. Go to: http://www.culture.fr/culture/arcnat/lascaux/fr/index.html
- Chemistry
Buckymedicine
Scientists are turning carbon-cage molecules called fullerenes into drug candidates and medical diagnostic tools.
- Astronomy
X-ray observatory captures a rare supernova
Astronomers have obtained the first portrait of X-ray emission from a rare, so-called Ic supernova.
- Health & Medicine
Do-It-Yourself: Virus recreated from synthetic DNA
In an experiment with implications for bioterrorism, scientists have used poliovirus' widely known genetic sequence to synthesize that virus from DNA and other chemicals.
- Health & Medicine
Vaccine for All? Math model supports mass smallpox inoculation
Vaccinating an entire city in response to a smallpox terrorist attack would save thousands more lives than would quarantining infected people and vaccinating anyone they contacted.
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19020
“Vaccine for All? Math model supports mass smallpox inoculation” failed to mention an important complication for any type of smallpox-inoculation program: The vaccine might not work. A smallpox outbreak could be caused by a viral strain purposely engineered to evade any commercially available vaccine. Also, how likely is it that a new smallpox vaccine would […]
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19077
I found “Voltage from the Bottom of the Sea: Ooze-dwelling microbes can power electronics” both interesting and troubling. In essence, the article describes a bioelectrochemical fuel cell that has been under constant investigation since the 1960s, when such studies were funded by NASA and the Office of Naval Research. These devices have been variously referred […]
- Tech
Voltage from the Bottom of the Sea: Ooze-dwelling microbes can power electronics
Some types of bacteria living in seafloor mud can generate enough electricity to power small electronic devices.
