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SUMMARY:A Mechanical Basis of Morphogenesis - Dr John Biggins\, University
  of Cambridge (Theory of Condensed Matter)
DTSTART:20171122T200000Z
DTEND:20171122T210000Z
UID:TALK84821@talks.cam.ac.uk
CONTACT:Callum Jones
DESCRIPTION:We are all familiar with the prototypical elastic instability:
  the buckling of a slender column under a compressive load. Soft elastic s
 olids\, such as rubbers\, gels\, and biological tissues\, are united by th
 eir ability to sustain very large shape changes\, and consequently undergo
  a range of more exotic elastic instabilities which sculpt the solids into
  complicated and unexpected shapes. I will discuss several such instabilit
 ies\, including fingering in soft solid layers under tension\, beading in 
 solid cylinders subject to surface tension\, and sulcus formation at the b
 oundary of soft solids in compression. In the second half of the talk\, I 
 will discuss a growing pool of evidence that evolution uses these instabil
 ities to sculpt biological organs during development\, using as examples t
 he formation of villi in the gut\, and the formation of folds on the surfa
 ce of the human brain.
LOCATION:Wolfson Lecture Theatre\,  Department of Chemistry\, Lensfield Ro
 ad
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