Philosophers rarely change their minds. These thinkers did — often at social and professional cost.

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

"The rise of the internet brought about similar fears, yet it ultimately made learning richer and more accessible."

For his new book, “The Ghost Lab,” Matt Hongoltz-Hetling spent time with paranormal investigators to understand their relationship with science and society.