Uncategorized
- Anthropology
Mystery Drilling: Ancient teeth endured dental procedures
Researchers have discovered the oldest known examples of dental work, 11 teeth with drilled holes dating to between 9,000 and 7,500 years ago.
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Could it be that the ancient teeth discovered with drill marks but no signs of fillings were drilled to relieve abscesses? On a long holiday weekend years ago, a dentist opened and drained an abscess for me until I could get back home to my regular dentist. It relieved the pain almost instantly. David WattGlasgow, […]
- Health & Medicine
Polyp Stopper: Controversial drug may prevent colon growths
An anti-inflammatory drug currently prescribed for arthritis and pain can prevent formation of precancerous growths in the colon and rectum.
- Materials Science
Wired Viruses: New electrodes could make better batteries
With the aid of a bacteria-infecting virus, researchers have engineered cobalt oxide-and-gold nanowires that can be used as electrodes for lithium-ion batteries.
- Astronomy
Ring around the Pulsar: Planets may form in a harsh environment
Astronomers have found a disk that has the potential to make planets in the harsh environment surrounding the ultradense remains of an exploded star.
- Health & Medicine
See Blind Mice: Algae gene makes sightless eyes sense light
Scientists have prompted mouse-eye cells that aren't normally light sensitive to respond to light.
- Earth
Volcanic mineral caused rare cancer in Turkey
In two Turkish villages, nearly half of all deaths since 1980 have resulted from a form of cancer caused by inhaling erionite, a brittle and fibrous volcanic mineral that looks similar to wool.
- Planetary Science
Another red spot, by Jove
Jupiter has developed a second red spot, which is now visible in the predawn sky with a telescope 10 inches or larger.
- Astronomy
Twin history
The Milky Way and its nearest large galactic neighbor, Andromeda, are more alike than earlier evidence had indicated.
- Health & Medicine
Experimental drug targets Alzheimer’s
A novel drug reverses some Alzheimer's-type symptoms in mice.
- Humans
Two-fifths of Amazonian forest is at risk
The Amazon basin's forest may lose 2.1 million square kilometers by 2050 if current development trends go unabated.
- Anthropology
Chimps scratch out grooming requests
Pairs of adult males in a community of wild African chimps often communicate with gestures.
