Jump start physics problem with a mass on a spring. This video explains the setup, key assumptions, and the step-by-step physics needed to solve for motion, energy, and forces in a spring–mass system.

In 1999, two young men entered Columbine High School in Colorado, gunned down 12 students and a teacher, then took their own lives. Grief therapists arrived “long before the gun smoke wafted away,” ...

Add Yahoo as a preferred source to see more of our stories on Google. Mass migration has been used to paper over economic issues in Britain and is “storing up longer-run problems”, the UK’s former ...

SHINE acquires Billerica manufacturing facility and established SPECT product portfolio, expanding leadership in nuclear medicine JANESVILLE, Wis., Jan. 2, 2026 /PRNewswire/ -- SHINE announced today ...

One of the odder moments in Donald Trump’s big Oval Office “affordability” speech on December 17 was toward the end, when he asserted that mass deportation of immigrants would greatly improve the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In October 2024, news broke that Facebook parent company Meta had cracked an "impossible" problem ...

Private equity’s old money is not happy about the new. The private markets, long the preserve of institutional investors such as pension systems and endowments, are being reshaped by a surge of ...

Gary Liversidge of Boston swims in the Charles River during Boston's "City Splash" event on July 18, 2017. (Elise Amendola/AP) As someone who has been helping monitor the Charles River’s water quality ...

Pope Leo XIV recites the Angelus after Mass for the canonization of seven new saints in St. Peter’s Square at the Vatican Oct. 19, 2025. Credit: CNS photo/Lola Gomez I don’t envy Pope Leo XIV as he ...

Needles picked up by the Newmarket Business Improvement District's Back2Work team. (Jesse Costa/WBUR) Editor's Note: This is an excerpt from WBUR's politics newsletter, Mass. Politics. If you like ...