Women, A Better Design?


	Women, A Better Design?

rfnajera

12-20-2007 11:40 AM

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tags:

pregancy, biology, human, nature, design

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/696e9bcc-4da9-4579-8ab2-fbfa47c0ce7c/C3335F1A-95E5-413D-A101-E027F2157857/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.sciam.com/article.cfm?id=news-bytes-why-pregnant-women-dont-tip" href="http://www.sciam.com/article.cfm?id=news-bytes-why-pregnant-women-dont-tip" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=news-bytes-why-pregnant-women-dont-tip">Why pregnant women don't tip over</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=news-bytes-why-pregnant-women-dont-tip">
There seems to be more keeping pregnant women upright than fear of toppling over and squishing their unborn child. Researchers from Harvard University and the University of Texas at Austin examined 19 pregnant women and discovered a number of reinforcements in their backs that men lack, including a lumbar (lower back) curve that spans three instead of two vertebrae and spinal joints that are 14 percent larger and positioned differently. These enhancements allow expectant mothers to lean back by as much as 28 degrees more than normal to offset the added heft of a baby bump—up to 30 pounds on average, or the weight of two bowling balls—without destroying their backs, the investigators report in <EM>Nature</EM>. They also present evidence for similar differences between the sexes in Australopithecines (early relatives of humans), suggesting that women long ago evolved such scaffolding to compensate for walking upright while supporting their swelling wombs.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C3335F1A-95E5-413D-A101-E027F2157857/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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