Or denser?
Today’s three puzzles are written by Barry R Clarke, author of Mensa’s bestselling book of logic puzzles. Mensa is the society for people with high IQs, which it defines as those who score in the top 2 per cent of intelligence tests.
If you breeze through these puzzles, consider yourself a clever clogs!
More Stories
Newborns treated with antibiotics respond less well to vaccines, study shows
As a geneticist, I will not mourn 23andMe and its jumble of useless health information | Adam Rutherford
23andMe’s demise is a warning: the US needs to overhaul genetic data protection | Dalton Conley