Portrait of Dalmeet Singh Chawla.

Dalmeet Singh Chawla

Contributing writer

Dalmeet Singh Chawla is a freelance science journalist based in London. His work has been featured in Nature, Science, Slate, UndarkThe Economist, New Scientist and Pacific Standard, among other publications.

From this contributor

Explore more from The Transmitter

Ground squirrel.

How thirteen-lined ground squirrels illuminate retinal development

In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.

By Sarah Thau
31 July 2026 | 5 min read
Research image of the association cortex.

Cortical territories compete in developmental space race

Sensory and association regions are established through a reciprocal process, according to a new model of cortical development.

By Holly Barker
30 July 2026 | 5 min read