14-billion-years-later:

Artificial cilia seen here have been produced that can beat in sync. In nature cilia are used to propel organisms or in multicellular animals they can be found beating mucus into the mouth for you to swallow. Disgusting yet cool.

14-billion-years-later:

Artificial cilia seen here have been produced that can beat in sync. In nature cilia are used to propel organisms or in multicellular animals they can be found beating mucus into the mouth for you to swallow. Disgusting yet cool.