Uncategorized
- Animals
Is eyeless sea creature fishing with a red light?
Researchers off the coast of California have captured three deep-water siphonophores, relatives of jellyfish, and observed in the lab that the creatures twitch little red lights that could be lures for fish.
- Health & Medicine
Vaccines against Marburg and Ebola viruses advance
Two new vaccines protect against the lethal Ebola and Marburg viruses, tests in monkeys show.
- Health & Medicine
Cells in heart can regenerate dead tissue
Stem cells in heart tissue that has survived a heart attack can be prodded to regenerate dead portions of the injured organ.
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Bacterial tresses conduct electricity
New research suggests that several species of Geobacter bacteria use hairlike structures known as pili to move electrons.
- Materials Science
Bright Future
Energy-efficient, semiconductor-based chips called light-emitting diodes will begin to illuminate homes and offices within the next decade, displacing power-hungry incandescent and fluorescent lighting.
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19570
This article makes a comparison: “A LED can last for up to 100,000 hours compared with the 1,000-hour lifetime of a typical lightbulb and the 10,000-hour lifetime of a typical fluorescent lightbulb.” This is misleading in comparing the maximum LED lifetime with typical bulb lifetimes. The typical lifetime of an LED depends on the application. […]
- Physics
Dr. Feynman’s Doodles
A new U.S. postage stamp honoring physicist and folk hero Richard P. Feynman sports curious squiggles, invented by Feynman, that were rejected at first but soon became a major tool of physicists everywhere for picturing the behaviors and calculating the properties of matter and energy.
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19569
A lot of people ask how someone like Richard Feynman, who played the bongo drums, loved practical jokes, and was an amateur safecracker and a bon vivant, could also win a Nobel Prize in Physics. Actually, all of Feynman’s disparate characteristics are entirely in keeping with each other. In psychiatrist Carl Jung’s terms, Feynman was […]
- Math
Name Voyager
A striking form of data visualization enhances the search for a suitable name for a baby.
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Science News writers win physics and astronomy awards
Nobody ever said that writing about physics is easy. Keeping readers comfortable while piloting them through rapids of equations and torrents of abstract complexities can test the most experienced journalist. Members of the Science News staff face that challenge every week—and the success of our writers has been highlighted this year by two organizations of […]
- Humans
From the July 6, 1935, issue
A phantom ship on Crater Lake, a possible dietary cure for cancer, and an island universe in a cloud of dust.
- Health & Medicine
Anatomia
These Web pages feature more than 4,500 historic illustrations of human anatomy, taken from 95 rare books, ranging in date from 1522 to 1867. The books come from the University of Toronto’s Thomas Fisher Rare Book Library. See, for example, a drawing of the human heart and lungs, taken from René Descartes’ book De homine, […]
