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Dmanisi Homo erectus Fossil Count Grows

More bones matching the skulls from the purported Eurasian Homo erectus skulls in Dmanisi, Republic of Georgia have been found (for background, see 08/31/2005 bullet 5, 03/20/2005, 08/01/2002, 11/29/2002).  The find was reported in Nature1 with commentary by Daniel Lieberman in the same issue.2     The bones, including ribs, leg bones and arm bones, […]

Subway System Found in Immune Cells

The announcement of a “third form of intercellular communication” hit scientists like TNT: tunneling nanotubules, that is.  Science Now reported that “Scientists have found what appears to be a whole new way for immune cells to communicate with one another: long, narrow tubes that enable them to connect and exchange molecules.”  These subway tunnels between […]

Large Individual Differences Seen in Human Genome

What makes each individual unique?  Nature1 reported a surprising thing about “the” human genome that is becoming apparent as more individuals’ genes are examined.  The first part is not surprising; the last part is: When the finished sequence of the human genome was unveiled last year, biologists said that it told a story of harmony […]

Vestigial Organs Have a Function: to Smear Creationism

51; Are there body parts you could live without?  Sure; people get by without fingers, teeth, legs, or even brains (figuratively speaking).  Some people think this is proof of evolution.  New Scientist, rather than showing how new organs and structures could arise by mutation and natural selection, listed “five things humans no longer need” as […]

Teeth Resist Cracking

51; Here’s a story to share with your dentist.  You can crack a tooth, but it takes a lot of force.  This should be surprising, since tooth enamel is as brittle as glass.  The way the enamel develops, researchers found, absorbs excess energy and gives your teeth an extraordinary crack resistance.     “Human enamel […]

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