The best way to learn to spot a conspiracy theory is to make one yourself.
Pick a real news story. On the next step you'll choose who's behind it and why. Then walk through the four moves real conspiracists use, with a debunk on every step.
Choose whichever real-feeling headline your imagination will run wildest with. Don't overthink it.

Garry Kasparov, the Russian-born former world chess champion, has publicly endorsed Anatoly Fomenko’s “New Chronology,” a radical revision of world history. Fomenko’s thesis argues that much of what we call ancient history is misdated or duplicated and that the actual historical timeline is far shorter than commonly believed. Kasparov says he finds the questions it raises important and plans to spend more time promoting these ideas as he moves away from professional chess.

Researchers presented new findings at the European Society of Cardiology meeting showing that laughter therapy can improve some measures of heart health in people with coronary artery disease. In the study, patients took part in guided laughter sessions while researchers measured inflammation markers and cardiovascular performance before and after. The reported results included lower inflammation and improved indicators of heart function after the laughter interventions.

A recent YouGov–Cambridge Globalism Project survey finds that voters in Western democracies are more divided by identity and partisan loyalty than by specific policy positions. Researchers describe strong "affective polarization": people feel intense dislike for opposing groups even when those groups often share similar views on key debates such as sexism, racism, and economic policy. The findings challenge the idea that culture wars are mainly about conflicting opinions; instead, much conflict appears driven by who people see as "us" versus "them."

Google plans to release a redesigned Fitbit app this fall that reorganizes the interface into three main tabs: "Today," "Coach," and "You." The refreshed app will display daily health statistics, offer motivational and coaching content, and present goal overviews and trends. Google says the update will improve how fitness data is presented and protected, and it appears visually aligned with leaked looks of the upcoming Pixel Watch 2 and possibly the Pixel 8 phones.