The miraculous straw that lets you drink dirty water
From the BBC:
“I wouldn’t drink that if I were you.”
I’m sprawled inelegantly on the concrete banks of the Thames, leaning down to scoop some of its green, murky liquid into an empty water bottle. Already, it’s a scene of utter chaos. An unusually large wave has caught me off guard and sloshed water all up my sleeve. Hungry seagulls are swooping down from every direction. A large crowd of ducks has come to investigate – and two formidable geese are making hissing noises.
The advice is proffered by a man on a nearby boat, who has been watching me with an expression of amused bewilderment for some time. Alas, he disappears below deck before I can tell him that drinking the water is precisely what I’m going to do…