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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
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Thank you for the article about the wild Bactrian camel. However, one false impression needs correction. The Wild Camel Protection Foundation (WCPF) is not planning a program of captive wild camel embryo transfer in order to release the offspring into the wild. The program’s immediate aim is to increase the number of captive wild stock […]
- Animals
Camelid Comeback
The future of vicuñas in South America and wild camels in Asia hinges on decisions being made now about their management.
- Astronomy
Model Tracks Storms from the Sun
Teams of astronomers have developed a reliable method for predicting the time it takes for solar storms to arrive at Earth and have gathered observations confirming a model of how the sun's outer atmosphere, or corona, manages to store up enough magnetic energy to induce these upheavals.
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19217
Sorry to be paranoid, but if the technology exists to make scratches on bullets that are exact duplicates for use in testing, does not the ability also exist to produce a bullet supposedly from a shooting victim that’s an exact match to one fired from your gun? Harold ReedMilledgeville, Ga. Fingerprints and DNA are useful […]
- Tech
A Shot in the Light
Bullet replicas that look on a microscopic level like they've been fired from a gun—even though they haven't—enable forensics specialists to fine-tune as never before instruments to automatically match bullets from crime scenes.
- Humans
From the June 14, 1930, issue
WELLAND CANAL Slightly more than a century after the falls and rapids of Niagara were first overcome for water transportation by a canal only 8 feet deep, there has been completed on practically the same site a mammoth structure that will pass giant 600-foot lake grain vessels up and down the 326.5-foot difference in elevation […]
- Health & Medicine
Snow and Cholera
Most people have heard of cholera, but few know anything about John Snow, the British doctor who determined how the disease is spread. Epidemiologist Ralph R. Frerichs of the University of California, Los Angeles School of Public Health has created a Web site devoted to Snow’s life and accomplishments, including such items as the full […]
- Humans
From the January 7, 1933, issue
ATOM BUILDING KEEPS STARS SHINING, SAYS A.A.A.S. HEAD The building up of other heavier atoms out of hydrogen stokes the internal heat of the stars, including the sun, Prof. Henry Norris Russell, Princeton University astronomer recently elected president of the American Association for the Advancement of Science, suggested in the Maiben lecture before the Association. […]
- Health & Medicine
Health on the Net
Assembled by the Health on the Net Foundation in Switzerland, this Web site posts an array of advice on health problems, offers lists of scientific meetings, and reports results from new biomedical studies. Particularly useful is its library of biomedical terms, which includes an allergy glossary designed to help people decipher the immune system. To […]
- Health & Medicine
Double cord-blood transplant helps cancer patients
Two umbilical-cord-blood transplants may work better than one for cancer patients.
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