Tech & Science Daily podcast is joined from Chile by Darwin200 director Stewart McPherson to discuss whale conservation, drone tracking and health of the oceans. Lightning when volcanoes erupt ‘sparked life on Earth’. Disney unveils a virtual moving floor under development.

Also in this episode:

• Record ‘worst year’ for cancer diagnosis
• Supernova link to star dust creation
• Four-legged robot as guide dog for blind people

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