Need

what did you find to be the most astonishing or interesting thing robinson discovered on the deep ocean floor? why?

i have to watch a ted talk and its called laura robinson: the secrets i find on the mysterious ocean floor. but i don't know what to put.

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?