Science and Nature Quiz for 30 August 2023

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

Question 1: Minamata disease, a neurological syndrome with symptoms including ataxia, numbness, general weakness, narrowing of vision and damage to hearing and speech, and even insanity, paralysis, coma and death within weeks, is caused by severe poisoning by what?