Why do boats have round portholes?

Ask the Naked Scientists

English - May 20, 2022 01:14 - 26 minutes - 24.5 MB - ★★★★★ - 60 ratings
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Shortages of cooking oil, risks of being hit by lightning and can lightning travel through your plumbing; why boats have round portholes; what's the memory capacity of a human brain; can we measure happiness; do animals feel happy and sad like we do; what gives farts their unique characteristics, and why do stars twinkle? Lester and Dr Chris have the answers... Like this podcast? Please help us by supporting the Naked Scientists