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

Image showing duplicated data.

University probe leads to retraction of four neural tube studies

The University of Maryland conducted an internal investigation that identified image duplications and other data integrity issues in the studies, according to the retraction notices.

By Claudia López Lloreda
16 October 2026 | 6 min read
Illustration of five purple rectangles arranged three-dimensionally like folders on a black background with a pattern of white dots and white plus signs.

Highly cited autism paper earns expression of concern over data duplications

The notice, published in Nature last week, also addressed an image duplication identified by a prominent research-integrity sleuth.

By Madeline Shaw
16 October 2026 | 4 min read
Illustration of pixellated MRI scans morphing into the scales of justice.

Govern neurodata by how it’s used, not where it’s from

New neurodata laws will shape how researchers gather, share and reuse brain data. A use-based governance protects basic researchers and those whose data are being used, without freezing science.

By José M. Muñoz
16 October 2026 | 7 min read