They only could maintain the artificially higher commodity price as long as they kept buying and storing excess capacity, a leveraged Ponzi game that eventually collapsed.
As the rats did this memory task, electrodes in the implants recorded signals between two areas of their brains involved in storing new information in long-term memory.
One theory is that the body responds to relatively long gaps between meals by becoming highly efficient at storing up energy whereas a routine of regular meals encourages a more steady metabolism.
Because anyone looking to defend their purchasing power long-term cannot ignore the way emerging Asia is storing an ever bigger chunk of its fast-growing savings.
It has long been known that some solid materials, called metal hydrides, are capable of storing small amounts (about 1-2% of their own weight) of hydrogen at room temperature.