does robert plant still smoke cigarettes at his home, Jennings Farm at Blakeshall in Worcestershire, England, circa September 1970. Photo by Mike Randolph All members of Led Zeppelin

Topicals Our last alternative to smoking to avoid the sore throat from weed are topicals

A typical variant consists of a bucket of water in which is typically placed a bottle with the bottom cut off, such as a 2-litre PET soft drink bottle

doi: 10.1038/sj.npp.1301240

Perhaps those future life forms will have retained and adapted intelligence, and will view us as primitive organisms of curious habit and faint historico-biological interest

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ROUND THE CLOCK Any of a number of game variants where players compete to be the first to hit all the segments on the board in an agreed order (usually numerical), finishing with the outer bull followed by the bull