Letters from the February 10, 2007, issue of Science News | Science News



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Letters to the Editor

Letters from the February 10, 2007, issue of Science News

3:27pm, February 5, 2007

Grape gripe

"A Toast to Healthy Hearts: Wine compounds benefit blood vessels" (SN: 12/2/06, p. 356) leaves us up in the air with this statement: ". . . since the traditional wine-making techniques still in use in southwestern France and Sardinia increase concentrations of polymeric procyanidins, he says, other vintners may soon adopt such methods." As a home winemaker, I have to ask, Which techniques contribute to increasing procyanidins?

Bill Treloar
East Hanover, N.J.

Evidently, the winemakers in these regions leave fermenting juice with grape skins and seeds longer than usual.—C. Brownlee

Pretty interesting

If membership in a species is characterized by the inability to breed with members of another species, how can there be "animal species known to have arisen from crossbreeding with other species" ("New Butterfly," SN: 12/02/06, p. 355

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