Meet some of the people featured in the February 2018 issue of The Scientist.

We are on the cusp of yet another revolution in how we feed the populace.

Signs of getting older are less common among rodents with ramped-up ghrelin production.

A hormone made in the liver controls how much sugar mice eat, according to a study.

Researchers identify a neural circuit that controls feelings of fullness in mice.

The hormone leptin, which signals fullness to animals, acts not only through neurons but through glia, too.

Acetate, a short-chain fatty acid released following the fermentation of dietary fiber in the gut, accumulates in the brain and can affect appetite in mice.

A new meta-analysis of farming practices suggests that traditional methods of cultivating food plants result in heftier harvests than do organic strategies.