Sex chromosomes

Recent articles

Photograph of a cardinal with male-typical red feathers on one side and more drab, female-typical feathers on the other.

What birds can teach us about the ‘biological truth’ of sex

Part of our job as educators is to give students a deeper understanding of the true diversity of sex and gender in the natural world.

By Nicole M. Baran
22 April 2025 | 8 min listen

Explore more from The Transmitter

New questions around motor neurons and plasticity

A researcher’s theory hangs muscle degeneration on a broken neural circuit.

By David Adam
10 October 2025 | 9 min read
Research image of SCN2A neurons.

Boosting SCN2A expression reduces seizures in mice

A modified form of CRISPR amps up expression of the gene—a strategy that could apply to other gene variations linked to autism.

By Charles Q. Choi
9 October 2025 | 5 min read

Nikolay Kukushkin discusses his book, ‘One Hand Clapping: Unraveling the Mystery of the Human Mind’

He explains how meaning arises in the interactions found throughout nature and evolution, from molecules to minds.

By Paul Middlebrooks
8 October 2025 | 1 min read

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