Could I order a new chequebook, please? <a href=" http://www.velcourt.co.uk/taking-600-mg-of-neurontin ">neurontin cost walmart</a> A whale produces a lighter-coloured wax during the time of year when it’s feeding, and a dark-coloured version when it migrates. If you cut through the earplug, you can see these varieties as alternating light and dark bands. They’re like tree rings. And just like tree rings, you can use them to estimate a whale’s age. That’s why scientists often collect and store the wax from dead whales.