image: Figure illustrates the analytical approach to image at the nanoscale the aging of a single catalytic cracking particle. This material relates to a paper that appeared in the April 3, 2015, issue of Science, published by AAAS. The paper, by F. Meirer at Utrecht University in Utrecht, Netherlands, and colleagues was titled, "Life and death of a single catalytic cracking particle." view more
Credit: [Credit: Utrecht University]