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

Cooperating marmosets extend decision-making model of the brain

When a pair of marmosets works together to earn some marshmallow fluff, one of them decides to act only after its brain accumulates enough evidence about what the other is doing, new work shows.

By Calli McMurray
24 June 2026 | 1 min watch
Connexiohuman Connexin 26 dodecamer at 90mmHg PCO2, pH7.4

Designer synapses edit brain circuits in living animals

The approach could help elucidate relationships between circuit structure and function, as well as the role of natural electrical synapses.

By Simon Makin
23 June 2026 | 5 min read
Research image of cortical excitation–inhibition balance.

Role of GABA-A receptors in dup15q syndrome, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 22 June.

By Jill Adams
23 June 2026 | 2 min read