To get his shoestrings he speculates in herds of cattle.
What - Poliakoff essentially speculates - would have happened had the 1960s boom in television satire arrived a quarter of a century earlier...?
Paintings from the Renaissance artist Leonardo Da Vinci have come under recent scrutiny through the popularity of the novel The DaVinci Code, which speculates that the art contains hidden messages about Christianity.
Often, the media speculates on whether or not a particular star is pregnant or not, and sometimes this comes with disastrous and embarrassing consequences, when the celeb in question turns out not to be pregnant at all.
Fox News speculates that 50 to 70 million Americans suffer from chronic sleep shortages.