In the frigid underwater ecosystems of Canada’s frozen lakes, these explorers are revealing what lies beneath the ice. Plus, climate impacts, citizen science, and what it’s really like to dive below the surface.
Running a marathon a day in extreme heat, the ultra-endurance athlete’s latest expedition shows what resilience looks like and what humans are capable of
Ahead of her the new documentary The Berg, underwater explorer and RCGS Explorer-in-Residence Jill Heinerth reflects on diving beneath icebergs, working with James Cameron, and the science of exploration