tests
Follow Chronicle's coverage of "tests" — 10 published articles so far, refreshed hourly.
TikTok ran 'placebo' safety tests on teens and children, New York lawsuit alleges
Newly unsealed allegations in New York Attorney General Letitia James's lawsuit claim TikTok gave thousands of young users non-functional versions of its 'Algo Refresh' safety tool, leaving them believing their feeds had been reset when they had not.
Thousands March in Rio Against Flavio Bolsonaro Ahead of Brazil's October 25 Runoff
Days after senator Flavio Bolsonaro topped Brazil's first-round presidential vote, thousands of demonstrators marched through downtown Rio de Janeiro on Wednesday, warning that a Bolsonarista return would threaten the country's democracy before the October 25 runoff against Lula.
Lecornu Faces Down Parliament as France's School Revolt Turns Violent: 300 Injured, Lessons Suspended
Prime Minister Sébastien Lecornu told the National Assembly that 215 pupils, 85 school staff and 715 police have been injured since France's pupil revolt began, rejected claims of a police crackdown as a lie, and accused the hard left of stoking chaos ahead of the 2027 election — as secondary schools suspend lessons nationwide.
France Suspends Police Stun Grenades at Student Protests After Teen Loses Hand in Lens
Interior Minister Laurent Nuñez has suspended police use of stun grenades at France's high school student protests after a 15-year-old lost his hand in Lens, as the largest youth protest movement in years entered its second week and Prime Minister Lecornu prepared a televised address.
NBA Tests Smart Basketball and Referee Wrist Wearables in Select Preseason Games
The NBA is experimenting with a Bluetooth-enabled smart basketball developed with Wilson and wrist wearables for referees in select preseason games, collecting research data for future real-time officiating decisions — without letting the technology affect a single call.
Trump Says France's Student Protests Are About 'Islam Wanting to Take Over', Not Schools
As a quarter of a million demonstrators filled French streets and more than 800 schools closed, President Trump claimed on Truth Social that the student uprising is really about 'out of control mass migration' — a statement that thrusts the crisis into America's midterm campaign.
North Korea Missile Launches: Tracker and Latest Tests
An evergreen tracker of North Korea's missile tests in 2026: the October 3 AI-guided intermediate-range launch, the September hypersonic Hwasong-11M-1 test, the September 12 joint strike drill, what the missiles are, and how Seoul, Tokyo and Washington are reacting.
US Protests Live Updates: Latest Demonstrations
Live updates on US demonstrations in October 2026: Springsteen's Power to the People festival, the nationwide Corporate Accountability Week of Action, anti-Trump rally protests in Oklahoma, and the No Kings: Vote Early mobilization planned for October 17.
Spain's Parliament Votes Down Housing Bills in Blow to Sánchez as Early Election Talk Grows
Spain's parliament rejected two affordable-housing bills on Friday, a major defeat for Pedro Sánchez's minority government. With rents having doubled in a decade and protests filling Madrid's streets, opposition voices are now openly calling for an early general election.
France Gripped by Spreading Student Protests as PM Calls Crisis Meeting
High-school students across France are blockading schools over overcrowded classrooms, teacher shortages and dilapidated buildings. Prime Minister Sébastien Lecornu convened a crisis meeting and ordered ministers to cancel travel as arrests mounted into the thousands.