Seasteading is making a comeback — but these utopian paradises on the high seas have a history of failure - IN FOCUS: They promised utopian paradises, unshackled by governments and buoyed by tech.

Could a 1,000-foot tsunami really strike the U.S.? :water_wave: Scientists say it’s not just possible — it’s happened before.

By the time we reached higher ground, the wait began. The tsunami was expected at 7:17 p.m. local time on July 29. Hundreds gathered, listening to the sirens periodically echo, bracing for the worst.

Scientists with Flinders University in Adelaide, South Australia, tested four bite-resistant materials and found they all ...