I remember my grandfather commenting—wry amusement tinged with grim resignation—that what made him finally feel old was seeing his children reach middle age. I was a child then.…

In September, a writer for HBO’s Watchmen series, Cord Jefferson, was awarded an Emmy. I enjoyed the show’s first season, a sequel to arguably the best movie (and graphic novel)…

Most of us, most of the time, think and act as though there are facts about good and bad, right and wrong. We think the predatory behavior of Jeffrey Epstein was abhorrent, and that…

In the COVID-19 pandemic, numerous models are being used to predict the future. But as helpful as they are, they cannot make sense of themselves. They rely on epidemiologists and other…

The great mystery of consciousness is why matter lights up with felt experience. After all, we are composed of particles indistinguishable from those swirling around in the sun; the…

Several years ago, I climbed Mt. Washington in Nevada to see the oldest complex life forms on Earth. Typically found at elevations higher than 3,000 meters, bristlecone pine trees…

Since 1980, the temperature of the planet has risen by 0.8 degrees Celsius, resulting in unprecedented melting of the Greenland ice sheet and the acidification of oceans. In 2015,…

It’s not just in politics where otherwise smart people consistently talk past one another. People debating whether humans have free will also have this tendency. Neuroscientist and…

When did you realize you were a machine? A fancy machine, for sure. But one whose parts and operations can be described like the components of a computer. I remember a day in 2012…

This article introduces Nautilus’ month-long exploration of the science and art of time.When Lee Smolin’s book Time Reborn was re-launched to great fanfare at my home in 2015,…