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Welcome to Smithsonian Open Access, where you can download, share, and reuse millions of the Smithsonian’s images—right now, without asking. With new platforms and tools, you have easier access to ...

People around the world face violence and inequality—and sometimes torture, even execution—because of who they love, how they look, or who they are. Sexual orientation and gender identity are integral ...

How do genes and the environment come together to shape animal behavior? Both play important roles. Genes capture the evolutionary responses of prior populations to selection on behavior.