A.Most spiders have 8 eyes arranged in 2 rows of 4, but they don't see 8 of everything. They don't have ears, but detect sound through hairs on their legs.
Q.How many spiders does a human swallow while sleeping ?
A.Contrary to the popular myth, you don't swallow any spiders in your sleep. The rumour was started as an experiment, to see how such myths spread.
Q.What is the biggest spider in the world? And what is the dealiest spider in the world?
A.The Brazilian wandering spider is the most venomous, but the Sydney funnel-web kills most people. The goliath birdeater is the biggest (30cm leg span).