Headshot of Olivia Gieger.

Olivia Gieger

Former news reporting intern
The Transmitter

Olivia Gieger is a science reporter and was The Transmitter’s news reporting intern in the summer of 2024. She is completing her M.A. in journalism in New York University’s Science, Health and Environmental Reporting Program. There, she has covered emergency medicine, conservation ecology and climate attribution science. Her work has appeared in Inside Climate NewsForbes and Scienceline.

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Head direction cells stably orient mice to outside world

The cells’ representations show little drift over time—unlike those of other navigation system neurons—and may provide a “rigid backbone” for more flexible sensory and cognitive responses.

By Angie Voyles Askham
25 March 2026 | 0 min watch
Thumbnail of Juan Gallego.

Juan Gallego discusses how manifolds are transforming our understanding of the coordination of neuronal population activity

A wealth of evidence supports the view that neural manifolds are real and useful, Gallego says, even if they may not completely solve the age-old mind-body problem.

By Paul Middlebrooks
25 March 2026 | 121 min listen
Research image of astrocytes in the mouse brain.

Astrocytes in mouse amygdala encode emotional state

The glial cells’ activity reliably tracks with freezing, hesitancy and other behaviors reminiscent of anxiety.

By Holly Barker
24 March 2026 | 4 min read