Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Imagine the height of Mount Everest, but as a crater under the sea? Dan meets Challenger Deep and you will too! Plus, we're joined by Dr. Ken Collins to learn more about the science of oysters and their pearls.

Dan is joined by the founders of 'Kids Against Plastic' to learn more about being "plastic clever". Plus, it's a double guest special, as the episode rounds off with Dan hearing from the British Science Association's CEO about young people keeping faith in scientists at this time.

Dan is joined by the founders of 'Kids Against Plastic' to learn more about being "plastic clever". Plus, it's a double guest special, as the episode rounds off with Dan hearing from the British Science Association's CEO about young people keeping faith in scientists at this time.

Dan is joined by the founders of 'Kids Against Plastic' to learn more about being "plastic clever". Plus, it's a double guest special, as the episode rounds off with Dan hearing from the British Science Association's CEO about young people keeping faith in scientists at this time.

Dan is joined by the founders of 'Kids Against Plastic' to learn more about being "plastic clever". Plus, it's a double guest special, as the episode rounds off with Dan hearing from the British Science Association's CEO about young people keeping faith in scientists at this time.