At any one time dozens of these pastel-colored tubes, packed in ice in styrofoam buckets, await being warmed up to body temperature to start evolving.

• 无论哪一次，每次都有十多支这样包裹在泡沫塑料桶的冰里的蜡笔色试管，等待着被加热到身体的温度，再开始演化。