Free Expression is a daily newsletter on American life, politics and culture from the Opinion pages of The Wall Street Journal. Sign up and start reading Free Expression today. Half of social science ...

In a 'Survivor' first, host Jeff Probst allowed a reporter to shadow him for the merge episode — which happened to be the craziest in the show's history. Here's what he saw. By David Canfield Senior ...

A massive seven-year project exploring 3,900 social-science papers has ended with a disturbing finding: researchers could replicate the results of only half of the studies that they tested 1. The ...

A cancer drug target already being investigated in clinical trials turns out to be doing something even more consequential than researchers realized. Scientists at Scripps Research have discovered ...

Conducting research is hard; confirming the results is, too. And artificial intelligence isn’t yet ready to help, a major new study finds. By Carl Zimmer Carl Zimmer has reported on replication in ...

Scientists have discovered a new form of biological reproduction -- and created self-replicating living robots. Made from frog cells, these computer-designed organisms gather single cells inside a Pac ...