Uncategorized
- Humans
From the March 22, 1930, issue
THE SUN’S NEW TRANS-NEPTUNIAN PLANET The Lowell Observatory has made the discovery of a celestial body whose rate of motion and path among the stars indicate that it is a new member of the sun’s family of planets out beyond Neptune. Twenty-five years ago, Dr. Percival Lowell, director and founder of the Observatory at Flagstaff, […]
- Archaeology
Visit Ancient Corinth
Hosted at the University of Pennsylvania, this elaborate, regularly updated Web site features historical, literary, and archaeological information about the ancient Roman colony of Corinth in Greece. Browser plug-ins allow you to fly through the city, traverse digital maps, and view three-dimensional models of various structures. Go to: http://corinth.sas.upenn.edu
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19130
I would hope that the artist’s conception of a black hole is not shared by many. The term hole was an unfortunate choice, since it conjures up an image of a tunnel rather than the actual sphere. In reality, the halo of light around the periphery of the black hole would cover the entire sphere […]
- Astronomy
Hole in the Middle: Are midsize black holes the missing link?
Two teams of astronomers reported that they had confirmed the existence of a new class of black hole.
- Earth
Cancer Causer? Researchers zero in on leukemia risks
Researchers add to mounting evidence that household pesticide exposure may be a significant risk factor for childhood leukemia.
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19129
This article is surely wrong in stating that the honey badger shuns meat. It aggressively attacks snakes and small mammals, as well as invades bees’ nests for honey. Derek WallentinsenSan Pedro, Calif. I was looking at the picture of the animal’s skull and wondering how large it is. There’s no scale for reference, so I […]
- Paleontology
Veggie Bites: Fossil suggests carnivorous dinosaurs begat vegetarian kin
Chinese rocks have yielded fossil remains of a creature that had rodentlike incisors and a hefty overbite, providing the first distinct dental evidence for plant-eating habits among theropod dinosaurs.
- Anthropology
Court releases ancient skeleton
A judge's decision gives scientists the right to study the 9,000-year-old skeleton dubbed Kennewick Man rather than turn the remains over to a coalition of Native American tribes for reburial.
- Astronomy
Reflecting on the Kuiper belt
A new study suggests that at least some members of the Kuiper belt, the reservoir of comets and other frozen objects that lie beyond the orbit of Neptune, reflect more sunlight and are considerably smaller than previously calculated.
- Health & Medicine
Herbal cancer remedy is chock full of drugs
An herbal remedy that had been popular among prostate cancer patients was tainted with three synthetic drugs.
- Earth
Leaden impacts of gum disease, smoking
Subtle bone loss associated with advanced gum disease can be linked to elevated lead concentrations in the blood.
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Novel enzyme provides sperm’s spark of life
A molecule in sperm triggers a fertilized egg to begin developing.
