translation.en: Loose nanoparticles. What is really interesting to me is that not many people have been asking, "How can we consult nature about how to make nanotechnology safe?"
translation.zh: 松散的纳米粒子。而我最感兴趣的是 有多少人问过： “我们应如何借鉴大自然使纳米技术安全化？”