Some academics seeking a stable and fulfilling career are swapping the laboratory for the classroom. Plus, CRISPR and e-ink investigate how cuttlefish camouflage and how bacteria might help purify rare-earth elements. Some academics seeking a stable and fulfilling career are swapping the laboratory for the classroom. Plus, CRISPR and e-ink investigate how cuttlefish camouflage and how bacteria might help purify rare-earth elements.