LifeScorpions develop a sting in the tail before they are ready to use it Newborn scorpions produce and store venom in their tail, or telson, despite not being able to use it until they have shed their first exoskeleton 51¶¯Âþ
LifeGalapagos tortoises use their self-destructing cells to avoid cancer Galapagos giant tortoises are long-lived in part because their cells are surprisingly sensitive to certain forms of stress 51¶¯Âþ