原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
该句暂无译文！
2 .Astrologists have long contended that the stars profoundly influence people here on Earth.
该句暂无译文！
3 .And it looks like they may have stumbled onto the truth, at least when it comes to one star: the sun.
该句暂无译文！
4 .Because a new analysis of Norwegian birth records suggests that children born during periods of high solar activity lived five years less, on average, than did their counterparts born during periods of low solar activity.
该句暂无译文！
5 .And women born during solar maxima appear to have been less fertile.
该句暂无译文！
6 .Those findings appear in the Proceedings of the Royal Society B.
该句暂无译文！
7 .Researchers analyzed more than 8,600 births from 1676 to 1878, while controlling for other factors like socioeconomic class.
该句暂无译文！
8 .And indeed, higher solar activity at birth appeared to cut lifespan.
该句暂无译文！
9 .The reason, the researchers say, could be exposure to increased ultraviolet radiation during periods of high solar activity.
该句暂无译文！
10 .Because that UV light can degrade an expectant mothers' stores of folate, a B vitamin essential to a baby's healthy development.
该句暂无译文！
11 .It's unclear whether the effect would still hold today, as many pregnant women take supplements of the vitamin.
该句暂无译文！
12 .And despite the sun's potentially harmful effects, we still need it¡ªto synthesize ample vitamin D.
该句暂无译文！
13 ."A lot of the media now has been that if you're pregnant or planning to become pregnant, then you should avoid sun, or not go south for the winter to get a lot of sun, especially if you're very pale."
该句暂无译文！
14 .Study author Frode Foss?y, an evolutionary biologist at the Norwegian University of Science and Technology.
该句暂无译文！
15 ."We also need sun, to get vitamin D, so it's a delicate balance."
该句暂无译文！
16 .There's an expression in Norwegian for that, he says.
该句暂无译文！
17 ."Den gylne middelvei."
该句暂无译文！
18 .The golden middle way, the middle road.
该句暂无译文！
19 ."Moderation, yep. That's sensible."
该句暂无译文！
20 .Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.
该句暂无译文！