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A Good Memory or a Bad One? One Brain Molecule Decides.

September 7, 2022

When the brain encodes memories as positive or negative, one molecule determines which way they will go.

Bacteria’s Immune Sensors Reveal a Novel Way to Detect Viruses

August 29, 2022

A new study reveals that bacteria can fight viruses in a surprisingly elegant way that has no known counterpart in more complex life.

Why and How Do We Dream?

August 24, 2022

Dreams are subjective, but there are ways to peer into the minds of people while they are dreaming. Steven Strogatz speaks with sleep researcher Antonio Zadra about how new experimental methods have changed our understanding of dreams.

Electric Fish Genomes Reveal How Evolution Repeats Itself

August 22, 2022

By studying how electric organs arose in different lineages of fish, scientists gain new insights into a long-standing question of evolutionary biology.

Epigenetic ‘Clocks’ Predict Animals’ True Biological Age

August 17, 2022

A statistical analysis of chemical tags on DNA may help unify disparate theories of aging.

Q&A

A Biochemist’s View of Life’s Origin Reframes Cancer and Aging

August 8, 2022

The biochemist Nick Lane thinks life first evolved in hydrothermal vents where precursors of metabolism appeared before genetic information. His ideas could lead us to think differently about aging and cancer.

Geometric Analysis Reveals How Birds Mastered Flight

August 3, 2022

Partnerships between engineers and biologists have begun to reveal how birds evolved their superb maneuverability.

Neuronal Scaffolding Plays Unexpected Role in Pain

July 28, 2022

Perineuronal nets, rigid structures that hold certain neurons in place, affect a surprising amount of brain activity, including some associated with chronic pain.

Why Do We Get Old, and Can Aging Be Reversed?

July 27, 2022

Everybody gets older, but not everyone ages in the same way. In this episode, Steven Strogatz speaks with Judith Campisi and Dena Dubal, two biomedical researchers who study the aging process.

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