Learn about the endangered Southern Resident killer whales population (74 remaining), their critical threats including Chinook salmon decline and vessel noise, current conservation efforts like dam removal, and actionable steps to help save these iconic Pacific Northwest orcas.

Discover bizarre abyssopelagic zone animals like anglerfish and vampire squid, their extreme survival adaptations, human threats from mining to pollution, and why this ecosystem matters.

Scientific analysis of whether jellyfish live forever. Explains Turritopsis dohrnii's transdifferentiation process, debunks immortality myths, compares jellyfish lifespans, and discusses conservation threats.