How to solve a block on an incline using three mechanics formulations. Compare different approaches, understand the physics behind each method, and see how they lead to the same result. #ClassicalMech ...

In the aftermath of Anna Kepner’s death last month aboard a cruise ship, her family discussed how to protect their children — including the teen stepbrother considered a suspect by the FBI. Text ...

Anna Kepner and the stepbrother currently under investigation in her death were "best friends," according to her stepmother. Shauntel Hudson appeared in court on Friday for an emergency custody ...

On November 19, Block Inc. held its first Investor Day in three years. Jack Dorsey, the company’s cofounder, chief executive, and “Block Head,” took to the stage and summarily posed what many ...

The father of an 18-year-old cheerleader who was found dead aboard a Carnival cruise ship says his stepson should be punished if investigators determine he played a role in her death. Christopher ...

New developments continue in the death of 18-year-old Florida cheerleader Anna Kepner, as her father has been ordered to testify in an ongoing custody dispute while federal investigators examine the ...

The death of Florida cheerleader Anna Kepner – whose body was found under a bed in her cruise ship room – was formally ruled a homicide, according to a report. Kepner, 18, “was mechanically ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You know that scene in Harry Potter and the Sorcerer’s Stone where ...

A teen passenger who mysteriously died on a Carnival cruise ship was a bubbly, straight-A student who had hopes of joining the military, her loved ones said. Anna Kepner, 18, of Titusville, Fla., had ...

Anna Hall can remember her first “catastrophic failure” at sports, at least in her eyes. She was 12. The reigning world champion at heptathlon comes from a family of athletes. Her father, David Hall, ...

Usama has a passion for video games and a talent for capturing their magic in writing. He brings games to life with his words, and he's been fascinated by games for as long as he's had a joystick in ...

The CEO of the largest satellite company in the world just proposed a bold—and totally misguided—solution to the climate crisis. Reading time 3 minutes Earth’s average temperature is nearing critical ...