Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The murky ink from cuttlefish (Sepia officinalis) could help deter ...

The most wonderful time of the year has arrived: Cephalopod Week, Science Friday’s annual tradition of spotlighting all things octopus, squid, and cuttlefish. One of the many things that make ...

Some male cuttlefish seem to squirt out ink to enhance their courtship displays, offering the first evidence that cephalopod ink has uses beyond just fighting and defence against predators. Receive a ...