From Bruce Robinson:

Re: Building block of life reported found in comet (Aug. 18): you quoted Ja­mie El­sila of NASA’s God­dard Space Flight Cen­ter as saying: “Our dis­cov­ery sup­ports the* the­o­ry* that some of life’s in­gre­di­ents formed in space and were de­liv­ered to Earth long ago by me­te­or­ite and com­et im­pacts.” But surely, this is not a “theory.” Is this not a poor choice of words? People will confuse this idea with the theory of evolution, which is an established fact. Should you not have placed a disclaimer on his use of “theory”?

Bruce Robinson
ReligiousTolerance.org