How much rainfall becomes groundwater?

Why is laughter infectious?
09 February 2024
Presented by Chris Smith with Relebogile Mabotja, TalkRadio 702. 


Sunrise over the rim of a planet seen from space.


Dr Chris Smith answers listener questions including, how can we communicate science better? How much distance do we travel through space each second? Why might I feel stomach pain when I'm hungry and I take a cold drink? What causes people to feel sleepy when they're near a pregnant woman? Why do we enter planes on the left rather than the right?


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