Evolution of primordial chemical sensor, nociception, sniffed out
Wednesday, March 17, 2010 - 15:28
in Biology & Nature
Whenever you choke on acrid cigarette smoke, feel like you're burning up from a mouthful of wasabi-laced sushi, or cry while cutting raw onions and garlic, your response is being triggered by a primordial chemical sensor conserved across some 500 million years of animal evolution, report scientists.