Uncategorized
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College may endow memory to old brains
College-educated older adults recruit new brain areas to counteract some of the memory loss that occurs with aging, a new brain-imaging study suggests.
- Health & Medicine
New protease inhibitor looks promising
An antiretroviral drug under development may work in patients for whom existing drugs fall short.
- Astronomy
Too Darn Hot
A new theory of planet formation suggests that sizzling-hot Earths may be abundant throughout the galaxy and could soon be detected.
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Possible Worlds
A growing number of reports highlight imagination's pervasive influence on thinking, one example of which is the surprisingly large proportion of well-adjusted preschoolers who play with make-believe companions.
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19531
Regarding this article, might I suggest that, rather than being a tool of thinking, imagination is just another word for thinking? Greg OttingerSunnyside, Calif.
- Humans
From the March 16, 1935, issue
A Russian institute celebrates an anniversary, a new instrument measures both heat and humidity, and early speculations about antimatter.
- Humans
Letters from the March 19, 2005, issue of Science News
Chew on this As an occasional betel nut chewer, I note that the report “Palm-Nut Problem” (SN: 1/15/05, p. 43) doesn’t touch on possible positive aspects of the habit. Chewing sapari (coarsely powdered, sweetened, and clove-flavored areca nut) at the end of a meal leads to a sense of satisfaction and well-being, induces salivation, and […]
- Earth
A Whiff of Danger
Synthetic fragrance chemicals can inhibit the activity of molecules that cells depend on to eject harmful substances.
- Animals
Cops with Six Legs
Insects commit crimes against their colonies, and researchers are taking a closer look at how these six-legged criminals get punished.
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19530
This article ends with the remark, “overall, ‘coercion plays a more important role than kinship in favoring cooperation in insect societies.'” But there’s no proof in the article of this being true in the wasps’ activities overall. Only some of their egg handling is mentioned. If the conclusion is true, it overthrows 40 years of […]
- Physics
Light’s Hidden Holdup: Reflected laser beams loiter a little
Using an ultrashort pulse laser, physicists have measured a minuscule time delay that affects light reflecting off many surfaces.
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19529
This is the fourth time I’ve seen a report that vitamin E may not be appropriate for elderly people at cardiac risk. Detailed statistics are always given, but one fact is always omitted: what type of vitamin E was used in the study. Failing to explain what form of vitamin E was used makes the […]
