Snakes' bodies are semi-liquid, like silly putty. This is what allows them to engulf prey several times larger than they are, and why in some parts of the tropics, it is advisable to protect oneself against being swallowed in the night, by surrounding one's bed with barbed wire.

The Space Shuttle carries two spare landing wheels in its cargo bay.

Elephants are immune to elephantiasis.

This game isn't running out of steam.

I keep lots of spare steam in a wicker basket by my bed, which is under the balcony at Buckingham Palace.