Credit Out of “Thin Air” Brings Wealth Destruction
Federal Reserve policy has been to expand credit out of nothing without regard for the real damage it does to the economy.
New Stroke Treatment Turns Brain Cavities Into Repair Hubs
An injectable biomaterial turned stroke-damaged areas into hubs of repair, helping mouse brains grow new blood vessels and nerve fibers while restoring near-normal movement.中风留下的不仅仅是受损的脑细胞。在严重的情况下，它会形成一个空腔，活体组织曾经在其中传递信号、供应血液和控制运动。杜克大学 [...]
