Humans
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Health & Medicine
Broken arms way up
Broken arms among adolescents have risen sharply from 30 years ago, possibly because of the popularity of high-risk sports such as skateboarding and a combination of less milk intake and more soft drink consumption.
By Nathan Seppa -
Archaeology
Ancient tunnel keeps biblical date
Radiocarbon dating of material from an ancient tunnel in Jerusalem indicates that the passage was built around 700 B.C., supporting a biblical account of the tunnel's construction.
By Bruce Bower -
Humans
From the September 30, 1933, issue
FIRST GLIMPSES OF A NEW WORLD Dr. George Roemmerts “Microvivarium,” which projects enormously enlarged images of living microscopic plants and animals on a screen, is a prime attraction of the Hall of Science at the Century of Progress. It has given thousands who have never looked through a microscope their first view of the amazing […]
By Science News -
Humans
Flight Notes
Wilbur and Orville Wright made the first powered, sustained, and controlled flight in a heavier-than-air flying machine on Dec. 17, 1903. Now, the Library of Congress has prepared a display of items from its extensive collection of the Wright Brothers’ papers. The online exhibit includes photographs, a timeline, numerous documents, and much more. Go to: […]
By Science News -
Health & Medicine
Checkmate for a Child-Killer?
If a new generation of vaccines pans out, the days of rotavirus, which kills at least 450,000 infants and children every year by causing severe diarrhea, may be numbered.
By Ben Harder -
Archaeology
Origins of Smelting: Lake yields core of pre-Inca silver making
Metal concentrations in soil extracted from a Bolivian lake indicate that silver production in the region began 1,000 years ago, 4 centuries before well-known silver-making efforts by the Incas.
By Bruce Bower -
Health & Medicine
The Risks in Sweet Solutions to Young Thirsts
Babies seem to be born with a sweet tooth–one that many adults retain. However, parents and caregivers who indulge a child’s appetite for sugary drinks may be fostering cavities in their children’s teeth, a new study finds. Sugary beverages, especially soda pop, caused more cavities than juice or juice-containing drinks did. That idea may seem […]
By Janet Raloff -
Humans
From the September 23, 1933, issue
LEAFY SUCCULENTS SOLVE PROBLEM SET BY DESERT Desert plants have a particularly hard problem to solve, set by that old Sphinx, the desert itself, and if they fail to solve it, the penalty is the same as that exacted in the old Greek myth–they must die. They must spread a sufficient chlorophyll surface to the […]
By Science News -
Health & Medicine
Early Warning? Spinal fluid may signal Alzheimer’s presence
Spinal-fluid concentrations of two compounds already linked to the disease may reveal whether a person has Alzheimer's disease.
By Nathan Seppa -
Humans
From the September 16, 1933, issue
HERDS OF WILD ASSES STILL ROAM MONGOLIAN PLAINS Wild asses, which still roam the vast plains of Mongolia in great herds, are marvels of speed and endurance, according to Roy Chapman Andrews of the American Museum of Natural History, who has hunted and photographed them in the course of his many years of scientific exploration […]
By Science News -
Health & Medicine
To Your Health?
Doctors are divided on whether the value of screening the torso with X-rays to find symptomless disease outweighs the costs.
By Janet Raloff