Gender roles in ancient times

Two new studies by Osaka University researchers provide insights on why male and female bodies of the same species differ. The studies show factors that regulate the expression of doublesex1, a gene responsible for the growth ...

Can we easily distinguish male and female protoceratops?

Anatomical and behavioral differences distinguish males and females in many extant and extinct animals. For instance, male peacocks have a large and flashy tail, whereas females are smaller and less brightly colored. Male ...

Stegosaurus plates may have differed between male, female

Stegosaurus, a large, herbivorous dinosaur with two staggered rows of bony plates along its back and two pairs of spikes at the end of its tail, lived roughly 150 million years ago during the Late Jurassic in the western ...

Graduate student makes major discovery about seal evolution

In the world of science, one of the most exciting things a researcher can do is pin down an answer to a widely asked question. This experience came early for Carleton University graduate Thomas Cullen, who made a discovery ...

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