What's the difference between bisexual and pansexual are they not the same thing? please explain to me will mark brainlest for a well-explained response I genuinely do not know thank you.

American scientist, linus pauling, was one of many scientists racing to discover the molecular structure of dna. pauling initially thought that the molecule was a triple helix. later, james watson and francis crick unveiled their double helix model, which turned out to be an accurate description of the molecule's shape. why did watson and crick succeed when pauling failed?