Viviparous species include popular aquarium fish such as guppy, molly and platy. Study author Tiffany Ernst said: “We wanted to see if these pregnancy-related changes in cognition and ...

The company's first project was to convert a Boeing 377 Stratocruiser into the 'Pregnant Guppy', the first of the Guppy aircraft. This conversion involved enlarging the fuselage to a bulbous shape ...