Less than 0.001% of the deep ocean has been explored. Ella Al-Shamahi speaks to two women from South Africa and the US who have dedicated their careers to finding out more about our planet's most uncharted depths.

Dr Katy Croff Bell is an American ocean explorer and deep-sea technologist. She has over 15 years of experience leading ground-breaking oceanographic and archaeological projects. Katy is the founder of the Ocean Discovery League, an organisation dedicated to expanding global access to deep-sea exploration by developing affordable, durable technology for scientists and researchers.

Dr Zoleka Filander is an award-winning South African marine biologist with South Africa’s Department of Fisheries, Forestry, and Environment. She leads pioneering expeditions into uncharted marine territories, gathering crucial data to inform conservation strategies. Zoleka is passionate about sharing the deep ocean’s wonders to inspire public respect and a sense of urgency for its preservation.

Produced by Emily Naylor

(Image: (L) Katy Croff Bell courtesy of Katy Croff Bell. (R) Zoleka Filander credit Logan Lambert.)