So with shells, we have literally none--not a Helix even, though they abound in the lanes 200 yards off the Gardens. Of the 89 Dezertas insects [only?] 11 are peculiar. Of the 162 Porto Santan 113 are Madeiran and 51 Dezertan.英文原著 · 《More Letters of Charles Darwin Volume I》
One of the tendrils which thus became bent in 31 seconds, had been touched two hours previously and had coiled into a helix; so that in this interval it had straightened itself and had perfectly recovered its irritability.英文原著 · 《The Movements and Habits of Climbing Plants》
Because he was somewhat humiliated by Pauling getting the alpha helix, because he was somewhat humiliated by Pauling getting the alpha helix,演讲 · 《How we discovered DNA ~ James Watson》