Links for Later 2-27-14

1. Sexy diagrams of glutamate receptors in the central nervous system, featuring stepwise activation by multiple subunits.
2. Hot, hot, hot! Article on ITAR fusion reactor project.
3. Dreamy description of government debt and government assets spooning.
4. Not sexy: GHCQ spied on your Yahoo! video chats, 3-11% of which involved nekkid people of one sort or another.