This week, we find out if a fatter cyclist free-wheels faster than a thinner cyclist, and ask if an aeroplane runway is replaced with a treadmill, can the plane still take off?  Also, how is oxygen recycled on the international space station? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

This week, we find out if a fatter cyclist free-wheels faster than a thinner cyclist, and ask if an aeroplane runway is replaced with a treadmill, can the plane still take off? Also, how is oxygen recycled on the international space station? Like this podcast? Please help us by supporting the Naked Scientists

This week, we find out if a fatter cyclist free-wheels faster than a thinner cyclist, and ask if an aeroplane runway is replaced with a treadmill, can the plane still take off?  Also, how is oxygen recycled on the international space station? Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate" rel="noopener noreferrer">supporting the Naked Scientists</a>

Who freewheels downhill faster, a fat person or a skinny person?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...

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Who freewheels downhill faster, a fat person or a skinny person?

Who freewheels downhill faster, a fat person or a skinny person?

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