Under the leadership of the University of Bonn, a research team led by Prof. Dr. Pavel Kroupa from the Helmholtz Institute for Radiation and Nuclear Physics has discovered that galaxy clusters are ...

Tammy Ma, director the Livermore Institute for Fusion Technology, can explain why her work with nuclear fusion is a step toward abundant clean energy.

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,” ...

The first episode delivers one of the series’ strongest openers. Low narrative stakes due to the refusal to kill the main characters. Essential move toward answering definitive narrative questions.

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 ...

Early this year, the state’s nation-leading energy efficiency program adopted a broader strategy to encourage more low-income households and tenants to tap into its benefits for heat pumps, insulation ...

The arrest of a Trinitarios gang member in Massachusetts earlier this week highlighted the fact that, despite a sweeping crackdown by federal prosecutors earlier this year, the organization is still a ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Nor is any law worthwhile when judges do their best to keep violent criminals like Brown out on the streets. Brown was arrested in January 2025 for misuse of the 911 system. Rather than keeping him ...