Spiders like the Mexican red-knee tarantula (Brachypelma smithi) are encased in a hard external framework called an exoskeleton. The exoskeleton gives the spider the structure and support that an ...

One-year-old Romany is trying to climb up her leg. Two older boys ... Charlie, another son, says he can't find his tarantula. "Oh dear," says Polly who, with her long dark hair, looks a bit ...