EPISODE · Sep 30, 2010 · 28 MIN
Artificial Noses, Aeroplane Toilets and Big Brains
from Ask the Naked Scientists · host Dr Chris Smith
Where does the waste from an aeroplane toilet go? And could you ever really get stuck to one when pressing the flush? Do we have bigger brains than 500 years ago? And why are planets spherical? We tackle all of these questions this week, as well as finding out that researchers have created an artificial nose even more sensitive than a dog's. Plus we'll discover why onions make your eyes water... Like this podcast? Please help us by supporting the Naked Scientists
NOW PLAYING
Artificial Noses, Aeroplane Toilets and Big Brains
No transcript for this episode yet
Similar Episodes
Mar 26, 2026 ·1m
Mar 19, 2026 ·34m
Feb 18, 2026 ·11m
Feb 11, 2026 ·45m