Two-Way

Ferdie Pacheco, the ringside physician to Muhammad Ali and TV commentator known in the boxing world as the "fight doctor," died Thursday, his daughter announced on Facebook. He was 89.

The Rev. Jesse Jackson announced Friday that he has Parkinson's disease, saying that he first noticed symptoms "about three years ago."

Jackson, 76, released the news in what he called an update "on my health and the future."

The longtime political and social activist, who was part of Martin Luther King Jr.'s inner circle in the 1960s and who later founded the Rainbow PUSH Coalition, said that after noticing signs of the motor system disorder, he attempted to work through it.

At least 20 people have been injured after a massive fire broke out at a senior assisted-living complex near Philadelphia late Thursday, forcing residents to evacuate the building into a 40-degree chill.

The tiny nation of Denmark has just three stations for monitoring atmospheric radiation. Each week, scientists change out air filters in the detectors and take the used ones to a technical university near Copenhagen.

There, Sven Poul Nielsen and other researchers analyze the filters. They often snag small amounts of naturally occurring radioactivity, radon for example.

Comedian Sarah Silverman confronted one aspect of the wave of sexual abuse and misconduct revelations that have come out in recent weeks: the anguish when the perpetrator is a friend.

A workhorse truck and a new supercar are in the works for Tesla, after founder and CEO Elon Musk introduced his company's latest effort to widen the U.S. market for electric vehicles Thursday night. Musk called the Roadster "the fastest production car ever made, period."

"Despacito" continued its magical run of success by earning four statuettes tonight at the 18th annual Latin Grammy Awards held at the MGM Grand Garden Arena in Las Vegas.

Zimbabwe's sidelined President Robert Mugabe, who has been under house arrest since a military takeover earlier this week, is refusing to step down, creating a potential crisis over his succession.

The military staged what it insists was not a coup, but rather a "bloodless correction," on Wednesday, saying its aim was not to target Mugabe himself, but the "criminals around him who are committing crimes." Several senior officials have been detained in the wake of the army's move, according to the BBC.

Former Sicilian Mafia godfather Salvatore "Toto" Riina — who ordered the murder of Italian prosecutors and law enforcement officials who tried to bring him down — died Friday in the prison wing of a hospital in northern Italy.

Riina had reportedly been suffering from heart disease and Parkinson's. At the time of his death, a day after he turned 87, he been in a medically induced coma after two operations for cancer.

Astronomers in California are building the largest digital camera in the world. It will go on a giant telescope taking shape in Chile called the Large Synoptic Survey Telescope.

LSST is different from most large telescopes. Instead of staring at a tiny patch of the sky and taking essentially one snapshot in time, LSST will take a panorama of every part of the sky...and it will do so over and over and over. The idea is to see what's moving or changing in the heavens.

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