Nothing lives forever, at least, not in the known Universe. But relativity allows us to get closer than ever: from a physics perspective.

One of the toughest vocational exams in the world requires candidates to memorize 25,000 streets in an area five times the size of Manhattan.

"By keeping people biologically younger, we can enjoy a longer health span, a longer period of healthy life where we're active, where we're happy, where we can engage in our hobbies, and play with our grandkids and great grandkids."

"This will help people take meaningful steps to slow the rate of aging and increase what we call their health span or their kind of time of life expectancy free from disease."

Health policy expert Ezekiel Emanuel says you don’t have to be obsessed to live a healthy life. Wellness can, and should, be something you enjoy.

"Being connected to another person makes us feel safer and keeps our bodies at a kind of physiologic equilibrium that promotes health."

Welcome to The Nightcrawler — a weekly newsletter from Eric Markowitz covering tech, innovation, and long-term thinking.

From treating specific diseases to targeting aging itself, Progress Conference 2025 explored the many routes to extending life.

"Our ultimate goal, after all, is not a good death but a good life to the very end."

“Over the last 10 or 15 years, scientists have really started to understand the fundamental underlying biology of the aging process. And they broke this down into 12 hallmarks of aging.”

“Nothing about human behavior makes sense except in the light of culture and in anthropology, and we need to understand the cultural component to our behaviors as well.”

In "The Microbiome Master Key," Brett and Jessica Finlay argue that we need to stop waging war on all germs and start working with the microbes that make us who we are.

Living longer is only half the equation. Here’s how to stay healthier for more of those years.

“We know that as little as 10 minutes of walking can improve your mood, that is getting that bubble bath with the dopamine, serotonin, endorphins going, anybody can do that.”

Delirium is one of the most perplexing deathbed phenomena, exposing the gap between our cultural ideals of dying words and the reality of a disoriented mind.

Americans are getting older, and so are traditional healthcare methods. CEO of Northwell Health Michael Dowling shares his take on how we can develop the best care for our elderly loved ones.

What can you do to support your health during menopause? “If exercise were a drug, that would be the one thing that we would be giving to everybody.”

Scientists have created a magnificent portrait of every connection among neurons in a fruit fly’s brain.

Reading this article would be such a millennial thing to do.

“Having more stem cell activity is good for regeneration, but too much of a good thing over time can have less favorable consequences.”

Does Platonic love actually exist?

Meg LeFauve and Dave Holstein drew inspiration from psychologists as well as their own children, becoming more understanding parents in the process.

Could exercise be more effective than recently approved drugs?

Is human overpopulation alarmist hype with disturbing consequences? Oxford data scientist Hannah Ritchie debunks the overpopulation myth.

Kurzweil predicts that AI will combine with biotechnology to defeat degenerative diseases this decade. Then things will get really interesting.

The evidence is far less clear than popular media might lead you to believe.

The acceptance of death is deeply embedded in our culture; it's time to overthrow that idea.

A reader asks whether we have an ethical responsibility to always debate bad beliefs, especially those that come from our elders.

A growing body of research suggests that optimism plays a significant role in promoting both physical and mental well-being.

Being bilingual benefits children as they learn to speak — and adults as they age.