The Japanese research, carried out in conjunction with scientists at Nagoya University and others, is to be published by the Federation of American Societies for Experimental Biology in July.

• 成长的过程就是破茧为蝶，挣扎着褪掉所有的青涩和丑陋，在阳光下抖动轻盈美丽的翅膀，闪闪的，微微的，幸福的，颤抖。