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The zombie problem, flawed as it may be, brings the puzzle of consciousness into sharp relief. My feature for Aeon magazine. 

How does consciousness arise in mere flesh and blood? To neuroscientist Anil Seth, our bodies are the key to experience. My Q&A for Quanta.  

For decades, scientists have argued bout the nature of the brain. To this day, the question of how it functions so as to enable a mind — is it an …

Astronomer Sara Seager is convinced that other Earth-like planets are out there. Finding them — and finding out if some of them may support life — has been her life-long …

Climate scientist Katharine Hayhoe has been warning of the effects of a warming planet for years. In her new book, she looks at how to talk about the problem — …

An innovative radiocarbon dating technique proves the Vikings were active at L'Anse aux Meadows in Newfoundland exactly 1,000 years ago. My news-feature for WIRED.

In my latest video, I look at the life and science of Nocolaus Copernicus, who revolutionized our view of the universe and our place within it. I also visit the …

Steven Winberg famously declared the universe to be “pointless.” Four decades later, physicists and popular science writers continue to grapple with the problem of finding meaning in a material universe …

My Q&A with geophysicist Janice Cohen on the extreme wildfire events of the last few years, for Nautilus.

Long before it was widely accepted, Donald Milton understood that Covid-19 could be spread by the inhalation of aerosolized droplets. My Q&A for Undark.