An excerpt from author and structural engineer Brian Potter's forthcoming book, "The Origins of Efficiency."

Scientists are harnessing chirality — the left- and right-handedness of molecules — to build better batteries, sharper displays, and more.

America leads the world in aerospace, software, and clean energy. Here's how it can lead in maritime, too.

From eternal recurrence to techno-dualism, five philosophical visions of immortality — and why most paths to forever end badly.

Backed by $180 million in funding from OpenAI's Sam Altman, Joe Betts-LaCroix’s Retro Biosciences is racing to extend the human healthspan.

Experts cut through longevity hype, debunking supplements, IV drips, and cold plunges while pointing to what actually works.

Biomedical gerontologist Aubrey de Grey discusses the burgeoning longevity movement and barriers to its progress.

The pursuit of immortality ignores how death powers life’s natural cycles, from cellular turnover to ecological renewal and adaptation.

Field notes from Vitalist Bay, an 8-week longevity zone in Berkeley where CEOs, scientists, and activists united to fight aging.

An introduction to Freethink's Longevity Issue: features, essays, and op-eds on the science, ethics, and promise of longer, healthier lives.

Why women consistently outlive men is a mystery — and it may influence the future of longevity medicine.

Studying animals — from long-lived clams to everyday dogs — is helping scientists understand aging and design therapies to slow decline.

Science is beginning to unravel the reasons behind age-related cognitive decline — and what we can do about it.

Progress in longevity is real, but experts say the field needs government funding, policy reform, and public buy-in to reach its potential.

Most Americans remain wary of immortality, and research helps explain the mix of ethics, faith, and fear behind that resistance.

We can now use AI to create versions of real people that can live on long after their bodies die. But should we?

In "Super Agers," the writer and medical researcher maps a path to extending healthspan with AI, targeted drugs, and lifestyle changes.

Longevity is in a paradoxical place at the moment, with anti-aging influencers misrepresenting real progress in order to make money.

We've already doubled human life expectancy over the last 200 years. Could we do it again?

The 20th century left us with fatalism, defeatism, and a hollowed-out vision of the future. Techno-humanism can restore our belief in progress.

Legacy newspapers inflated a handful of complaints into "mass panic" to blunt radio’s rise and defend their influence.

Exploring the strange intersection of science, conspiracy, and military secrecy in the decades-long quest for anti-gravity propulsion.

Existential anxiety surrounding AI is giving way to more realistic concerns about its potential impact on the workforce and beyond.

Real understanding, argues thought leader Jeff DeGraff, doesn’t come from outputs — it comes from practice.

When you consider the mechanics of integrating AI into the job market, the idea that it will take all our jobs quickly falls apart.

“The most important thing that we could be doing today is going and trying to build an AI scientist to build something that is better than we are at understanding complex science.”

Decades before Geoffrey Hinton and Eliezer Yudkowsky raised alarms, the computer scientist warned AI could steal jobs and outsmart humans.

From the Brooklyn Bridge to the polio vaccine, society once honored signs of progress with parades, fireworks, and festivals.

Across history, the human body has been reshaped by discipline, medicine, and now technology — each era redefining peak performance.

A lawsuit claiming an AI chatbot caused a teen’s suicide risks sparking a new moral panic, echoing past fears built on distorted evidence.

"This is a monumental world historic shift that we're going through, and most people do not understand how big it is and also how fast it's coming very, very soon."

Anil Seth suggests the difference is that living beings are rooted in time and entropy, a grounding that may be essential for consciousness.

Biotech labs are mining worm chemistry to design medicines that calm the immune system without the risks of live infection.

"There are things that Notebook does that are genuinely 10 to 100 times faster."

Before completion for the 1889 World’s Fair, the Eiffel Tower project was treated by some as an industrialist "Tower of Babel."

From curing rare diseases to extending lifespans, four biotech founders share how AI is rewriting the future of medicine.

A bold vision of a 10x better future where humanity has mastered biology, energy, and matter to unlock unprecedented progress.

The US must regulate AI in a way that protects society, preserves America’s competitive edge, and fosters innovation — all at the same time.

Emmett Shear: If we want AI to be on our side, it needs to see its part of the greater whole.

Today, the Sony Walkman inspires nostalgia, but in the 1980s, it was feared as a dangerous device that could disconnect society.

Philosopher Jonathan Birch argues that sentience might be essential to “higher” forms of intelligence, including truly intelligent AI.

By slashing costs, AI will spark a creative renaissance in the entertainment industry, leading to more working artists, not fewer.

An excerpt from "Rad Future: The Untold Story of Nuclear Electricity and How It Will Save the World" by Isabelle Boemeke.

America’s new mission isn’t just to invent the new technology of AI. It must invent the systems that then make the most of AI.

Biologists are skipping the petri dish and using AI-powered virtual cells to experiment in silico.

"AI today is like the Internet, say 1995. We're at the HTML when it was just the blink tag."

What if refilling an EV battery could be done in the same amount of time it takes to refuel a tank of gas? Say goodbye to overnight recharges — Ample […]

ChatGPT and other AI-powered tools are quietly reshaping how people interpret, challenge, and act on medical advice.

“I, Robot” is a convincing allegory in favor of embracing AI innovation rather than over-regulating, centralizing, and stifling it.

President Trump's headline-grabbing Golden Dome proposal can serve as the spark for a more realistic homeland defense upgrade.