{\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf320 \margl1440\margr1440\vieww9000\viewh8400\viewkind0 \deftab720 \pard\pardeftab720\sa260 \f0\fs26 \cf2 \cb3 So last year a fascinating study came out in the \i Journal of Science \i0 from a team led by Betsy Sparrow at Columbia.