image: Heart rhythm of fruit flies at different developmental stages can be noninvasively controlled by light using optogenetics. This material relates to a paper that appeared in the Oct. 9, 2015, issue of Science, published by AAAS. The paper, by A. Alex at the Lehigh University in Bethlehem, PA, and colleagues was titled, 'Optogenetic pacing in Drosophila melanogaster.' view more
Credit: [Credit: Alex, <i>et al.</i>, Lehigh University]