gender

The Pregnant Male

By observing the seahorse's unusual sex roles, scientists hope to learn more about how they came to be

The seahorse is a strange fish. Many of the traits it possesses have evolved in a direction unlike any other family of animals underwater—its bent S-shape; its head at a 90-degree angle to its body; its prehensile tail; and, most curiously, the male's brood pouch. A lab at Texas A&M University led by Adam Jones is currently studying these structures in the hope of understanding how it was that male pregnancy evolved in seahorses and how it affects the traditional sex roles in the fish.

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Gender Differences in the Brain

Sure the sexes learn differently—but at what level?

If we have learned anything about education in recent years, it’s that the one-size-fits-all mentality of the basal reader just does not work. People learn differently; sexes learn differently. But the research has only gone so far in exploring from where these differences originate. Previously, studies focused only on cognition or brain function.

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