How TikTok Brings War Home to Your Child
The popular app can feed young users a stream of intense, polarized and hard-to-verify videos about the Israel-Hamas war.
'The Corpse Bride Diet': How TikTok Inundates Teens With Eating-Disorder Videos
TikTok's algorithm can send users down rabbit holes of narrow interest, surfacing emaciated images, purging techniques, hazardous diets and body shaming.
How TikTok Serves Up Sex and Drug Videos to Minors
The popular app can quickly drive young users into endless spools of adult content, including videos touting drug use and promoting pornography sites.
How TikTok's Algorithm Figures Out Your Deepest Desires
The Wall Street Journal created dozens of automated accounts that watched hundreds of thousands of TikTok videos to reveal how the platform's algorithm learns users' interests.
Russian Trolls Tweeted Disinformation Long Before U.S. Election
An analysis of 221,641 tweets shows Russian trolls tried to incite chaos, fear and outrage about fake events before their election activity.
Many Police Killings Uncounted in U.S. Stats
More than 550 police killings between 2007 and 2012 were missing from the FBI's records.
How Troubled Brokers Cluster, Often Among Elderly Investors
Stockbrokers who've been in trouble with regulators tend to cluster where the affluent and elderly are easily accessible.
Taxpayers Face Big Tab for Unusual Doctor Billings
More than 2,300 providers earned $500,000 or more from Medicare in 2012 from a single procedure or service.
More Than 5,000 Stockbrokers From Expelled Firms Still Selling Securities
More than 5,000 brokers were still licensed to sell securities after working for firms that regulators expelled.
Executives' Good Luck in Trading Own Stock
An investigation found many corporate executives make profitable trades prior to news announcements.
More Killings Called Self-Defense
More civilians are killing each other and claiming self-defense, a trend most pronounced in states with stand-your-ground laws.
Russia's Dubious Vote
Analysis of nearly 100,000 voting precincts revealed potential vote-rigging with up to 14 million votes in question.