Walker is an astrobiologist and theoretical physicist, and is deputy director of the Beyond Center for Fundamental Concepts in Science and professor at Arizona State University, a fellow of the ...

Sara Imari Walker leads one of the largest international theory groups in origins of life and astrobiology. Walker and her ...

READ Andrew Dana Hudson's companion piece to this essay, "The Weather Out There," a work of speculative fiction about communication between humans and across the stars — and what happens when that ...

I worked in the garden this morning. Put my hands in the dirt, wanting to harvest. But I’m holding off. Ticking down the days or hours until the transmission from Alsafi arrives. When it comes, I’ll ...

Frank Ostaseski is a Buddhist teacher, lecturer, and author focusing on contemplative end-of-life care. His book is The Five Invitations: Discovering What Death Can Teach Us About Living Fully. It’s a ...

is a nonprofit established in 01996 to foster long-term thinking. It is still being assembled deep inside a mountain in west Texas. The Clock provides a rare invitation to think and engineer at the ...

One day when I was having lunch with Richard Feynman, I mentioned to him that I was planning to start a company to build a parallel computer with a million processors. His reaction was unequivocal, ...

These are the principles that Danny Hillis used in the initial stages of designing a 10,000 Year Clock. We have found these are generally good principles for designing anything to last a long time. It ...

Dorie Clark is a frequent contributor to the Harvard Business Review, and consults and speaks for clients such as Google, Yale University, and the World Bank. Clark teaches executive education for ...

Agricultural biodiversity is as much in need of defending as the world's wildlife. Countless varieties of plants and animals were bred by the world's peoples for talents specific to every soil, ...

Susan Freinkel is the author of Plastic: A Toxic Love Story and American Chestnut: The Life, Death, and Rebirth of a Perfect Tree. Plastic now pervades civilization---how many of the things you see ...