Letters from the July 7, 2007, issue of Science News | Science News

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Letters to the Editor

Letters from the July 7, 2007, issue of Science News

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1:40pm, July 2, 2007

Hex sine?

The NASA researchers baffled by the hexagonal shape in Saturn's soupy atmosphere at its northern pole ("A hexagon on the ringed planet," SN: 4/28/07, p. 269) should read "As waters part, polygons appear" (SN: 6/3/06, p. 348). It is worth investigating whether there is a similar phenomenon—I still suspect some sort of standing sine wave effect—at work in both cases.

Ellery Frahm
Minneapolis, Minn.

Snore and more

I was surprised that the findings on the brain's processing of information and discerning of relationships would come as a surprise ("Sleep on It: Time delay plus slumber equals memory boost," SN: 4/28/07, p. 260). I have long been aware of, and have even come to count on, the fact that a surprising degree of insight and clarity often comes in the morning after having fallen asleep the night before wres

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