The life of a fruit fly consists of four phases: egg, larva, pupa and fully-formed fly. At 25 degrees, the fly embryo hatches one day after the egg is laid, and it then lives for five days as a larva.

Fruit flies, long used to understand human disease, are also the heroes of long COVID research (Photo by University of Malta/Andrew Gauci Attard). Disclaimer: AAAS and EurekAlert! are not ...

Only three molecular changes are needed for fruit flies to digest milkweed ... though. Monarch flies became temporarily paralyzed when the vial they were contained in was banged on a table ...