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 birdsong, bird brain, and DNA.

This paper changed my life: Embracing an early model for naturalistic neuroscience

A 1992 PNAS paper showed how birdsong upregulates the expression of an immediate early gene in bird forebrains. The work revealed to Ribeiro the importance of studying molecular responses in naturalistic contexts.

By Sidarta Ribeiro
14 July 2026 | 4 min read
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

Major ischemic events in autistic people, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 13 July.

By Jill Adams
14 July 2026 | 1 min read
Illustration of lucid dreaming.

Watching the mind build a world: Lucid dreaming as a model for generative perception

Lucid dreaming offers a rare opportunity to observe and probe perception from within.

By Magdalena Paluchowska
13 July 2026 | 8 min read