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Recent articles

Book cover of What Is Intelligence.

‘What Is Intelligence?’: An excerpt

In his new book, published today, Blaise Agüera y Arcas examines the fundamental aspects of intelligence in biological and artificial systems. In this excerpt from Chapter 4, he examines temporal difference, a reinforcement learning algorithm.

By Blaise Agüera y Arcas
23 September 2025 | 9 min read

Vijay Namboodiri and Ali Mohebi on the evolving story of dopamine’s role in cognitive function

Researchers discuss the classic stories of dopamine’s role in learning, ongoing work linking it to a wide variety of cognitive functions, and recent research suggesting that dopamine may help us "look back" to discover the causes of events in the world.

By Paul Middlebrooks
27 September 2024 | 97 min listen

Explore more from The Transmitter

Two lab mice fighting.

From friend to foe: How the brain updates feelings toward others

A specific hippocampus-to-amygdala pathway reassigns emotional valence to a known individual, whereas the hippocampus’s own representation of that individual’s identity remains stable.

By Natalia Mesa
9 July 2026 | 5 min read
Illustration of scientist in lab coat looking at shelves of computer network models.

Mass-produced science is coming. What happens to scientists?

Artificial intelligence may soon enable researchers to generate high-quality science at a previously unimaginable speed. For science consumers—the public, medical patients, technology users—the likely effects will be positive. For scientists, the effects will be as disruptive as industrial mass production was for artisan manufacturers.

By Kenneth Harris
9 July 2026 | 9 min read
Adriano Aguzzi.

Neuropathologist not guilty of research misconduct, says university probe

The investigation determined that seven papers by corresponding author Adriano Aguzzi have “scientifically significant” errors, which Aguzzi attributes to his former students.

By Dalmeet Singh Chawla
8 July 2026 | 5 min read