digestion

This image took 3rd place at the 2022 Nikon Small World Photomicrography Competition.

The fish use their stomach to swell up to three times their size. Is this why they can’t use the organ to digest proteins?

Preserved DNA extracted from the rock-like digestive blobs may offer insights into whale ecology.

In long-distance, physically taxing events, the amount of energy athletes can expend appears to peak at about 2.5 times their metabolic resting rate—a maximum likely dictated by how many calories they can digest.

During the last ice age, there wasn’t much plant matter to eat on northern steppes, but herbivorous woolly mammoths were abundant. How did they survive?

Bacteria in the intestine produce proteins that stop rodents from eating.

Diverting the bile duct around a long stretch of the small intestine could treat obesity without cutting out chunks of the digestive tract.

Eating a type of bacterium encourages the activity of other gut microbes, according to a small study.

The frequent regurgitation practiced by flies as they ingest and digest food yields densely detailed paintings.