5,519 results
- Chemistry
New solution for kitchen germs
Acidic electrolyzed water appears to kill foodborne germs more effectively than a bath of dilute bleach.
- Chemistry
Amending the Genetic Code: Yeast adds new amino acids to its proteins
Researchers have created yeast cells that add one of five unnatural amino acids to their natural 20-piece construction set.
- Earth
Can Banking Carbon Cool the Greenhouse?
Stockpiling carbon dioxide in plants and soil may be effective only for the short term, if at all.
- Humans
From the October 14, 1933, issue
SOVIET ASCENSION BREAKS WORLD ALTITUDE RECORD Enclosed within the metal shell pictured on the front cover of Science News Letter, three Soviet scientists rose higher above the surface of the earth than man has ever been before, in an ascension from Moscow on September 30. It is the gondola of the Soviet free balloon USSR. […]
- Health & Medicine
Bacteria-Stocked Beverage Clears Pathogens from Nose
Dangerous bacteria often take refuge deep inside peoples noses, where they can remain dormant until they find an opportunity to invade other parts of the body. Perhaps the most important of these stowaway nasal microbes is Staphylococcus aureus, which can spread to wounds and surgical incisions and cause life-threatening blood infections. As many as a […]
- Chemistry
Sea bacteria may be new anticancer resource
Researchers examining deep-sea sediments have uncovered a large source of previously unknown bacteria that appear to produce disease-fighting chemicals.
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While the report of ballistic testing of bacteria is a fascinating study of bacterial survival, I’d be more concerned about the effects of severe extremes of heat, cold, and vacuum on the survival of bacterial spores. As the study stands, we’re still left wondering about these other important factors. Jon OngWoodland Hills, Calif. Bacteria can […]
- Humans
From the June 24, 1933, issue
LIGHTNING Lightning, most awesome of the spectacular forces of nature, has yielded some of its mystery to science. But not all. We no longer credit it, as did our ancestors, to an angry Zeus or an impetuous Thor. Since Ben Franklin flew his adventurous kites, nearly two centuries ago, we know it is “made of […]
- Materials Science
One-Upping Nature’s Materials
Striving for designer substances that build themselves from individual molecules.
- Health & Medicine
Microbes implicated in heart disease
Viruses and bacteria besides chlamydia may play a role in human heart disease through an immune reaction to a heartlike protein they produce.
- Tech
Snappy DNA: Long strand folds into octahedron
By harnessing the self-assembling properties of DNA, researchers coerced a single strand of the genetic material to assume the shape of an octahedron.
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Chopping up a microbial tail
An enzyme made by immune cells destroys the proteins that make up bacterial tails.
