Bonus: Humbled Hiking
28 May - 31 mins explicitCalvin returns from his South American adventure, with stories of altitude sickness and over-confident hiking.
We run through the best of the nicknames you've sent us, and there are some superb examples.
We have zingers about pigeons hunting thumbs, and a lifelong piece of chewing gum.
And we try to figure out what an alien species would make of humanity if Terry Power was sent as Earth's ambassador.