• Seeing is Believing: Scientists are cautiously bringing gene therapy out of the dark;
• Time to Teach: Is there room for teaching and research in a postdoc experience?;
• Let's Get Small: To Tim Harris, understanding the brain is like understanding a building¿a really big building¿from the vantage point of the sidewalk.

The HHMI Bulletin is a quarterly print and online magazine featuring stories about the discoveries and innovations of HHMI scientists and grantees.

To view the online version of this issue with its online extras, please visit: http://www.hhmi.org/bulletin/aug2011/.