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 | 7 min read

Explore more from The Transmitter

Illustration of folded origami.

Dimensionality—neuroscience’s red herring?

Placing too much emphasis on a specific interpretation of dimensionality, or treating it as an end-all quantification of some aspect of neural computation, may hinder progress in understanding the brain.

By Matthew Perich
7 September 2026 | 8 min read
Monkeys at Dutch primate center.

Dutch primate center awaits October animal research debate

Science is forging ahead at the Biomedical Primate Research Centre in the Netherlands, following a reversal of last year’s mandate to phase out primate studies. But researchers aren’t sure how long the reprieve will last.

By Lauren Schenkman
2 September 2026 | 5 min read

When we sleep, our brain is filled with spontaneous neural activity. What is it doing?

Daniel Levenstein explains how internally generated brain activity during sleep shapes our cognition, and why NeuroAI is such a powerful approach to understanding the brain.

By Paul Middlebrooks
2 September 2026 | 96 min listen