CHAMPAIGN, Ill. — 50 million years ago in what is now northwestern Colorado, a katydid died, sank to the bottom of a lake and was quickly buried in fine sediments, where it remained until its ...

Experts weigh in on the best supplementals to help to break down protein, fats, and carbohydrates into simpler compounds that ...

The study of the digestive physiology and diet of octopus species has provided significant insights into the complex interplay between enzyme activity, nutrient assimilation and overall metabolic ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Endocrine glands secrete hormones into the bloodstream, while exocrine glands secrete substances, such as sweat or enzymes, into organs or onto the surface of the body. The two main types of glands in ...