The scientists who put their own health on the line for the good of humanity

Bill Gates drank water recycled from faeces this week to demonstrate a new technology that could transform the developing world.

He’s not the first person to use himself as a scientific guinea pig….

1.

2.

3.

4.

5.

6.

Keep reading...Show less
Please log in or register to upvote this article
The Conversation (0)