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Why and How Do We Dream?
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
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
A statistical analysis of chemical tags on DNA may help unify disparate theories of aging.
A Biochemist’s View of Life’s Origin Reframes Cancer and Aging
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
Partnerships between engineers and biologists have begun to reveal how birds evolved their superb maneuverability.
Neuronal Scaffolding Plays Unexpected Role in Pain
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?
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.
Hidden Chaos Found to Lurk in Ecosystems
New research finds that chaos plays a bigger role in population dynamics than decades of ecological data seemed to suggest.
How the ‘Diamond of the Plant World’ Helped Land Plants Evolve
Structural studies of the robust material called sporopollenin reveal how it made plants hardy enough to reproduce on dry land.