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Index of Subjects --_3f117284-7d60-40c2-a6e2-caca72ea70df_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable A few weeks ago=2C Bob Fournier was talking about this on CBC Information M= orning's Wednesday science slot. He said there is some peripheral interest = in woodpecker research related to concussion prevention and helmet design f= or sports. The trick would be to come up with a structure that worked for a= wide range of points of impact. This might be possible with modern materia= ls and technologies. =20 David =20 > Date: Thu=2C 12 Apr 2012 12:45:31 -0300 > From: sternrichard@gmail.com > Subject: Re: [NatureNS] Article re: How Woodpeckers Peck > To: naturens@chebucto.ns.ca >=20 > Hi=2C >=20 > The info=2C and the article=2C are intreresting=2C but not really new. I = can > remember back in the 1960s or early '70s there was a paper in The > Lancet=2C and quite a series of follow up letters=2C talking about the > same subject and whether it might lead to improved helmet design etc. > One of the issues was whether human sinuses=2C which have never been > shown to serve any useful purpose besides getting clogged up and > infected from time to time=2C might be some sort of ancestral evolution > of stuctures such as those present in woodpecker skulls=2C which at one > time might indeed have served a more evolutionary useful purpose. I > seem to recall that a motor cycle helmet was actually designed=2C on the > principles of woodpecker skulls=2C but people thought it would never > catch on because the beak would never appeal aesthetically to bikers! > Meanwhile=2C let's hope that some of those Red-bellies stick around and > nest in NS. >=20 > Richard >=20 > On 4/12/12=2C Blake Maybank <bmaybank@gmail.com> wrote: > > *Hard Headedness* > > > > "New research into the skulls of woodpeckers has shown just how it is t= hat > > they don't suffer brain injury when pecking away at a tree. They can hi= t > > the bark of a tree with a force greater than 1=2C000 times that of grav= ity > > (1=2C000 G's). Previous studies had shown that thick neck muscles diffu= se the > > blows and a third inner eyelid keeps the eye from "popping" out=2C but = it > > wasn't understood how their brain could survive the forces in play. > > > > Thanks to new research at Beihang University in Beijing and the Wuhan > > University of Technology=2C it has been shown that there is a thick bon= e > > which cushions the brain. Not only that=2C but the skull surrounding th= e > > brain is made up of a thick=2C spongy plate like bone. There are also a > > number of "beam like" structures providing a mesh like structure=2C giv= ing > > the bone it's sponge like structure." > > > > For more information: > > http://www.livescience.com/19586-woodpecker-skull-concussions.html > > > > > > -- > > Blake Maybank <bmaybank@gmail.com> > > White's Lake=2C Nova Scotia > > My Blog: *CSI: Life* <http://blakemaybank.com> > > >=20 >=20 > --=20 > ################# > Dr.R.B.Stern=2C > P.O. Box 300=2C > Port Williams=2C > N.S.=2C Canada=2C > B0P 1T0 > Richard Stern=2C > Port Williams=2C NS=2C Canada > sternrichard@gmail.com > ################### = --_3f117284-7d60-40c2-a6e2-caca72ea70df_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 10pt=3B font-family:Tahoma } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'> A few weeks ago=2C Bob Fournier was talking about this on CBC Information M= orning's Wednesday science slot. He said there =3Bis some peripheral in= terest in =3Bwoodpecker research related to concussion prevention and h= elmet design for sports. The trick would be to come up with a structure tha= t worked =3Bfor a wide range of points of impact. This might be possibl= e with modern materials and technologies.<BR>  =3B<BR> David<BR>  =3B<BR> <DIV> <DIV id=3DSkyDrivePlaceholder></DIV>>=3B Date: Thu=2C 12 Apr 2012 12:45:3= 1 -0300<BR>>=3B From: sternrichard@gmail.com<BR>>=3B Subject: Re: [Natu= reNS] Article re: How Woodpeckers Peck<BR>>=3B To: naturens@chebucto.ns.c= a<BR>>=3B <BR>>=3B Hi=2C<BR>>=3B <BR>>=3B The info=2C and the artic= le=2C are intreresting=2C but not really new. I can<BR>>=3B remember back= in the 1960s or early '70s there was a paper in The<BR>>=3B Lancet=2C an= d quite a series of follow up letters=2C talking about the<BR>>=3B same s= ubject and whether it might lead to improved helmet design etc.<BR>>=3B O= ne of the issues was whether human sinuses=2C which have never been<BR>>= =3B shown to serve any useful purpose besides getting clogged up and<BR>>= =3B infected from time to time=2C might be some sort of ancestral evolution= <BR>>=3B of stuctures such as those present in woodpecker skulls=2C which= at one<BR>>=3B time might indeed have served a more evolutionary useful = purpose. I<BR>>=3B seem to recall that a motor cycle helmet was actually = designed=2C on the<BR>>=3B principles of woodpecker skulls=2C but people = thought it would never<BR>>=3B catch on because the beak would never appe= al aesthetically to bikers!<BR>>=3B Meanwhile=2C let's hope that some of = those Red-bellies stick around and<BR>>=3B nest in NS.<BR>>=3B <BR>>= =3B Richard<BR>>=3B <BR>>=3B On 4/12/12=2C Blake Maybank <=3Bbmaybank= @gmail.com>=3B wrote:<BR>>=3B >=3B *Hard Headedness*<BR>>=3B >=3B= <BR>>=3B >=3B "New research into the skulls of woodpeckers has shown ju= st how it is that<BR>>=3B >=3B they don't suffer brain injury when peck= ing away at a tree. They can hit<BR>>=3B >=3B the bark of a tree with a= force greater than 1=2C000 times that of gravity<BR>>=3B >=3B (1=2C000= G's). Previous studies had shown that thick neck muscles diffuse the<BR>&g= t=3B >=3B blows and a third inner eyelid keeps the eye from "popping" out= =2C but it<BR>>=3B >=3B wasn't understood how their brain could survive= the forces in play.<BR>>=3B >=3B<BR>>=3B >=3B Thanks to new resear= ch at Beihang University in Beijing and the Wuhan<BR>>=3B >=3B Universi= ty of Technology=2C it has been shown that there is a thick bone<BR>>=3B = >=3B which cushions the brain. Not only that=2C but the skull surrounding= the<BR>>=3B >=3B brain is made up of a thick=2C spongy plate like bone= . There are also a<BR>>=3B >=3B number of "beam like" structures provid= ing a mesh like structure=2C giving<BR>>=3B >=3B the bone it's sponge l= ike structure."<BR>>=3B >=3B<BR>>=3B >=3B For more information:<BR>= >=3B >=3B http://www.livescience.com/19586-woodpecker-skull-concussions= .html<BR>>=3B >=3B<BR>>=3B >=3B<BR>>=3B >=3B --<BR>>=3B >= =3B Blake Maybank <=3Bbmaybank@gmail.com>=3B<BR>>=3B >=3B White's L= ake=2C Nova Scotia<BR>>=3B >=3B My Blog: *CSI: Life* <=3Bhttp://blake= maybank.com>=3B<BR>>=3B >=3B<BR>>=3B <BR>>=3B <BR>>=3B -- <BR>&= gt=3B #################<BR>>=3B Dr.R.B.Stern=2C<BR>>=3B P.O. Box 300=2C= <BR>>=3B Port Williams=2C<BR>>=3B N.S.=2C Canada=2C<BR>>=3B B0P 1T0<B= R>>=3B Richard Stern=2C<BR>>=3B Port Williams=2C NS=2C Canada<BR>>=3B= sternrichard@gmail.com<BR>>=3B ###################<BR></DIV> = </div></body> </html>= --_3f117284-7d60-40c2-a6e2-caca72ea70df_--
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