from my experience i would say that a non-science major can confer a slight advantage... i tripled in philosophy, biology, and religious studies, and discussion during my interviews definitely focused around my liberal arts majors... and i was directly told a couple of times during interviews that seeing a straight biological science major is 'boring', though personally i think that is quite an unfair characterization... nonetheless, i liked phil and rl st much more than bio classes... my problem with the biology curriculum was that i felt like it didn't really help my speaking, writing, or thinking skills, which i think are the three most important skills that anyone should get out of a college experience... but maybe it was just my school, or me, or both... biology was the most amount of work, philosophy was easily the most difficult, and religious studies was the most rewarding... whatever, select a major you can make sweet love to...