What causes ocean swell?

Might there be ancient cities we've yet to discover? Can I become lactose intolerant later in life?

30 June 2023

Presented by Chris Smith with Clarence Ford, 567 CapeTalk.

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Credit:

CC0, via Unsplash

If there was nothing before the big bang, who created nothing? When egg shell falls into the pan; why is the rest of the egg shell the most effective way to fish it out again? And what's going on with the James Webb space telescope? Dr Chris Smith and 567 CapeTalk's Clarence Ford take a look...