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Aging

Latest Articles

How Smell Guides Our Inner World

July 3, 2025

A better understanding of human smell is emerging as scientists interrogate its fundamental elements: the odor molecules that enter your nose and the individual neurons that translate them into perception in your brain.

Cells Across the Body Talk to Each Other About Aging

January 8, 2024

Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down.

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.

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.

What Causes Alzheimer’s? Scientists Are Rethinking the Answer.

December 8, 2022

After decades in the shadow of the reigning model for Alzheimer’s disease, alternative explanations are finally getting the attention they deserve.

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.

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.

Protein Blobs Linked to Alzheimer’s Affect Aging in All Cells

June 28, 2022

Protein buildups like those seen around neurons in Alzheimer’s, Parkinson’s and other brain diseases occur in all aging cells, a new study suggests. Learning their significance may reveal new strategies for treating age-related diseases.

Deep Curiosity Inspires The Joy of Why Podcast

March 17, 2022

The noted mathematician and author Steven Strogatz explains how the conversations with experts in his new Quanta Magazine podcast address his lifelong fascination with timeless mysteries.

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