chalk

Spiders have an aversion to the taste of chalk.

Chalk sales surge as Brits battle spider mating season

Sales of chalk have rocketed this week, after it emerged the traditional classroom staple acts as an unlikely repellent against creepy crawlies.

The data from Ryman comes as its revealed that spiders, which use their legs to sense their surroundings, have an aversion to the taste of chalk. As a result, homeowners are stocking up on the newfound arachnid deterrent - with sales surging...