Following is a summary of current entertainment news briefs.

Closely watched ‘Tenet’ earns critical praise as U.S. cinemas reopen

Director Christopher Nolan’s new thriller “Tenet” received warm reviews on Friday as U.S. cinema chains reopened with industry-wide safety measures aimed at reassuring audiences during a pandemic. “Tenet” is the first big-budget movie from a major Hollywood studio to head to theaters since the coronavirus outbreak shuttered theaters around the world in March.

Box Office: Russell Crowe’s ‘Unhinged’ off to decent start as U.S. theaters slowly reopen

After months-long cinema closures, the U.S. box office has opened to the most significant degree since pre-pandemic times. Movie theaters in Florida, Texas, Georgia and other parts of the country that were able to safely reopen welcomed the first major theatrical premiere since March: Solstice Studios’ “Unhinged,” a thriller starring Russell Crowe. The film played in 1,823 venues in North America, marking the widest release yet since the pandemic hit.

How big gatherings spread COVID-19: German scientists stage concert experiment

Around 1,500 volunteers equipped with face masks, hand disinfectant and tracking gadgets attended an indoor concert in Germany on Saturday as part of a study to simulate how the novel coronavirus spreads in large gatherings. As part of the so-called Restart19 study, researchers from the University Medical Center in Halle want to find out how cultural and sporting events can safely take place without posing a risk to the population.

Lori Loughlin apologizes for college scam as actress, husband get prison sentences

“Full House” actress Lori Loughlin and her fashion designer husband Mossimo Giannulli were sentenced on Friday to respective prison terms of two months and five months for participating in a vast U.S. college admissions fraud scheme. Loughlin, 56, choked up as she apologized to U.S. District Judge Nathaniel Gorton in Boston for the “awful decision” she made to help her daughters gain an “unfair advantage” in the college admissions process and get into their preferred school.