Every time a Burmese python swallows a meal, something remarkable happens inside its body. Its heart expands by a quarter.

Clearly, humans are very different from snakes. For instance, we don't swallow meals whole, eat portions larger than our own body weight, or go months between bites. Still, this extreme feast-and-fast ...

Researchers at the University of Colorado Boulder have identified a molecule in Burmese python blood that suppresses appetite and triggers weight loss in mice without the gastrointestinal side effects ...