Egypt: The country freed a prominent photojournalist, Mahmoud Abou Zeid, who spent five and a half years in prison for taking pictures during 2013 protests in Cairo after the military’s takeover of the country. Mr. Abou Zeid vowed to continue his work despite a five-year probation during which he has to spend every night at the police station.

Google: After conducting an internal wage equity study, the company found it was underpaying more men than women for similar work, a surprising conclusion that contrasted with the broader experience of women working in Silicon Valley.

Napalm: Our tech columnist Kevin Roose weighs in on a fierce debate rippling through Silicon Valley over whether technology companies should work with the U.S. military, citing one of “the most notorious military contracts of the past century” — Dow Chemical’s decision to produce napalm during the Vietnam War.

Michael Jackson: After the debut on Sunday of the first half of the HBO documentary “Leaving Neverland,” which includes allegations of sexual abuse against the pop star, Jackson’s fans came out in full force with what they viewed as evidence exonerating the singer. The director of the documentary called them “the Islamic State of fandom.”

T. rex: The dinosaur has helped foster a surge in paleontology over the last 20 years, with rising numbers of researchers and new fossils, as well as increasing sophistication in techniques used to study finds. Among the discoveries around the predator potentate were its size range (early tyrannosaurs were as small as chickens) and its short life span.