They demonstrated that long-lived snell dwarf mice burn less glucose and more fatty acids during periods of fasting , and as a result produce fewer free radicals .
Finally , snell and school of biology research scientist tonya shearer demonstrated a direct connection between the hormone and the switch to sexual reproduction in the rotifers .
Professor terry snell in georgia tech 's school of biology , along with his students and collaborators at woods hole oceanographic institution , studied the partially-sequenced genome of the rotifer and located a receptor for a progesterone-like molecule .