1 Ghrelin is a fast-acting hormone that plays a vital role in meal initiation and contributes to weight gain.  Leptin mediates long-term regulation of energy balance and suppresses food intake, thereby inducing weight loss.
For the military, as for the civilian world, it is not overstating the point to say that the advent of radio communications has changed almost everything. The meerkat or suricate is a small mammal and a member of the mongoose family.
A reverse proxy taking requests from the Internet and forwarding them to servers in an internal network. Those making requests connect to the proxy and may not be aware of the internal network. A reverse proxy (or surrogate) is a proxy server that appears to clients to be an ordinary server.