Estrogen Curbs Appetite In Same Way As The Hormone Leptin. FULL STORY. Estrogen regulates the brain's energy metabolism in the same way as the hormone leptin, leading the way to a viable approach to tackling obesity in people resistant to leptin, researchers at Yale School of Medicine report in the December 31 online issue of Nature Medicine.
1. smokeless powder-an explosive (trade name Ballistite) that burns with relatively little smoke; contains pyrocellulose and is used as a propellant. Ballistite. explosive-a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck.
Smokeless powders provide much more propellant force than the same amount of black powder, which made it possible for weapon ranges to increase. Since smokeless powders don't leave behind as much residue as black powder does, the weapons require less cleaning after use.