Whales Snooze Half a Brain at a Time


	Whales Snooze Half a Brain at a Time

tabsey

1-30-2008 2:31 AM

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nature

tabsey says:

Some people I know can...........

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1-30-2008 6:54 PM

papananook

Why my friends call me PapaWhale...a big sleepy blowhard.

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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/f7200ea5-0d0a-4e6c-a136-35a626576c1c/8D205433-A206-4BCE-AF13-3312F7FAFF41/" 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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html" href="http://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html" style="font-size: 11px;">dsc.discovery.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><DIV id="twoColumnWidget">
		<DIV id="headerITRZFlashObject"><a href="http://dsc.discovery.com/common/swf/headers/header-bar-324.swf" class="abp-objtab-07766655008982918 visible ontop" title="Click here to block this object with Adblock Plus"></a></DIV>
<DIV><A href="http://dsc.discovery.com/news/2008/01/29/sperm-whale-zoom.html"><IMG width="324" height="205" border="0" alt="Naptime?" src="http://dsc.discovery.com/news/2008/01/29/gallery/sperm-whale-324x205.jpg" /></A></DIV>
		<DIV class="standardWidgetPadding">Naptime?</DIV>
	</DIV></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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><P><STRONG>Jan. 29, 2008</STRONG> -- Sperm whales literally drift to sleep, but it's a snooze like no other, according to a recent study that found whales perform slow, rhythmic dives as they <A target="_blank" href="http://science.howstuffworks.com/whale3.htm">slumber</A>.</P></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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><P>Because these drift dives keep the whales in constant motion as they rest, scientists now think the <A target="_blank" href="http://dsc.discovery.com/news/briefs/20041108/whale.html">seafaring mammals</A>  sleep with one side of their brain at a time. The two sides alternate until both are rested.</P></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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><P>Sperm whales might even break a world record for least amount of sleep needed by a mammal.</P></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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><P>"If the only sleep sperm whales get is during these drift dives, it would be less than any mammal studied so far," lead author Patrick Miller told Discovery News.</P></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://dsc.discovery.com/news/2008/01/29/sperm-whale-sleep.html"><P>Miller, a senior research fellow at the University of St. Andrews <A target="_blank" href="http://biology.st-andrews.ac.uk/groupProfile.aspx?gc=GATTY&jc=academic">Gatty Marine Research Institute</A>, and his colleagues affixed suction cups with data-logging tags onto 59 sperm whales at various open-water locations worldwide. The tags allowed the scientists to monitor the whales' movements 24/7. </P></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/8D205433-A206-4BCE-AF13-3312F7FAFF41/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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