University of Reading evolutionary biologist Professor Mark Pagel talks to Adam Rutherford about how words evolve and whether scientists can halt their adaptation.
Release Date 08 August 2013
Professor Pagel appears on Inside Science to answer the question of whether it's bacteria or a bacterium, after last week's controversy when the presenter used bacteria to describe a singular microbe.
Listen to the show here (Prof Pagel's interview begins about 19mins in)