In this week's episode of Right Up Your Algae, Clara and Emily discuss how different Orcas can be pod to pod. From communication differences and hunting tactics to in-depth social relations and sense of self, some scientists argue orcas may have cultures. But what do you think? Emily also dives into the ethics of captivity and gets sentimental about the special place orcas have in her heart. Sources:

• Social structure of killer whales (Orcinus orca) in a variable low-latitude environment, the Galápagos Archipelago: http://surl.li/lyfir

• The Killer Whale (Orcinus orca) Vocal Tradition: Acoustic Communication and its Role in the Orca Family Unit: h ...