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Biology

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The Joy of Asking About Infinity, Jellyfish and the End of the Universe

February 9, 2023

As The Joy of Why podcast returns for a second season, producer Polly Stryker and host Steven Strogatz invite listeners to join them and their brilliant new guests on another voyage of discovery.

When Does the Brain Operate at Peak Performance?

January 31, 2023

The critical brain hypothesis suggests that neural networks do their best work when connections are not too weak or too strong.

The Cause of Depression Is Probably Not What You Think

January 26, 2023

Depression has often been blamed on low levels of serotonin in the brain. That answer is insufficient, but alternatives are coming into view and changing our understanding of the disease.

Mobile Genes From the Mother Shape the Baby’s Microbiome

January 17, 2023

Tiny genetic sequences in a mother’s bacteria seem to hop into the infant's bacteria, perhaps ensuring a healthy microbiome later in life.

Q&A

Starfish Whisperer Develops a Physical Language of Life

January 11, 2023

Nikta Fakhri is adapting and extending concepts from physics to describe how tiny biological components give rise to living organisms.

Ants Live 10 Times Longer by Altering Their Insulin Responses

January 10, 2023

Queen ants live far longer than genetically identical workers. Researchers are learning what their longevity secrets could mean for aging in other species.

Inside Ancient Asteroids, Gamma Rays Made Building Blocks of Life

January 4, 2023

A new radiation-based mechanism adds to the ways that amino acids could have been made in space and brought to the young Earth.

The Year in Biology

December 21, 2022

Momentum for new ideas in Alzheimer’s research joined advances in neuroscience, developmental biology and origin-of-life studies to make 2022 a memorable year of biological insights.

Q&A

She Finds Keys to Ecology in Cells That Steal From Others

December 19, 2022

The ecologist Holly Moeller studies microorganisms that expand their range by absorbing organelles and gaining new metabolic talents from their prey.

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