PETA (People for the Ethical Treatment of Animals) makes up for its sometimes offensive tactics by it’s huge financial support from the Hollywood rich. There’s an interesting and largely persuasive (to me who is already persuaded) interview with PETA vice president Dan Mathews now available online.
What can be deduced from a bit of ochre and a whale barnacle . . . .
News story of a recent publication in Nature, with related audio file: