The academic journal PLOS One this week affirmed the findings of a study on rapid-onset gender dysphoria that sparked a national debate about transgenderism and teens.

The U.S. Department of Defense issued orders Tuesday to limit service by people with gender dysphoria the same way it restricts individuals with diabetes, heart disease, HIV, and other medical conditions that could endanger soldiers and their units. The orders, signed by Deputy Defense Secretary David Norquist, enact suggestions made by Pentagon leadership a year ago and require the military services to implement the new rules within 30 days.

The United States issued an emergency order on Wednesday grounding all Boeing 737 Max 8 and Max 9 aircraft in the wake of the Ethiopian Airlines plane crash on Sunday that killed all 157 on board. President Donald Trump announced the order, citing “new information” that had come to light in the ongoing investigation into the incident.

Two attackers opened fire at a public elementary school in southern Brazil on Wednesday morning, killing at least eight people before taking their own lives. Authorities said the two young men, believed to be between 20 and 25 years old and not former students, were wearing hoods and carrying several weapons when they entered the Raul Brasil State School in Suzano, a suburb 20 miles east of São Paulo.

The central figure in a widespread college admissions scandal pleaded guilty Tuesday to federal charges that included conspiracy to commit racketeering, money laundering, and obstruction of justice. William “Rick” Singer, founder of the Edge College & Career Network in Newport Beach, Calif., said he intends to cooperate with prosecutors.

Top college coaches, university administrators, Hollywood actresses, and others have been charged in a widespread college admissions bribery case unsealed in federal court on Tuesday. The case is the largest college admissions scandal ever prosecuted by the U.S. Department of Justice, U.S. Attorney Andrew E. Lelling said Tuesday at a news conference in Boston. Authorities say coaches at schools, including Georgetown, Stanford, Southern California, Wake Forest, UCLA, and Yale University, accepted bribes in exchange for admitting students as athletes, regardless of their ability.

A bill working its way through the Colorado legislature would make it illegal for schools to teach sexual education programs that encourage abstinence and instead mandate programs that include information on LGBT relationships and sex. Despite pushback from parents and pro-family groups who argue the law threatens local control and parental rights, the measure is expected to pass this session.