This week's C&EN

A few of the articles from this week's issue of C&EN:

• Cover: Lisa Jarvis looks at the state-of-the-art of KRas (a protein that is often mutated in cancer cells.) 
• Great opening anecdote with Kevat Shokat
• Interesting article by Alex Tullo on efforts to find a replacement for a problematic polyurethane curative 4,4´-methylenebis 2-chloroaniline, or MOCA.
• Melissae Fellet writes on diesel engines, NOx and catalysts.  
• The latest from the Senior Chemists Committee. (article by Thomas Beattie)
• Fair number of letters to the editor this week.