Coyneandhiswife, JennieTarr Coyne, who haveatoddlerand a child on the way, have been togethereightyears, butsometimestheygo outand pretendit'stheirfirstdate.
"This is really a new vista in biology, " said Phillip Tarr, director of pediatric gastroenterology and nutrition at Washington University School of Medicine, St.
Mr Tarr said teaching should be rigorous and challenging, but it was "academic snobbery" to say you could only study history by taking lots of detailed notes.