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A tiny accelerator could be useful in medicine as well as basic science. Instead of speeding up beams of electrons through giant tunnels, the aim here is to build accelerators on semiconductor chips.

Stream now or tune in Monday, July 26, 2021 at 8 p.m. on KPBS TV + Wednesday, July 28 at 8 p.m. on KPBS 2

Since taking office, President Trump has signed an executive order giving federal immigration agents more power.

The allegations against Michael Jackson in the documentary Leaving Neverland make listening to his songs a struggle, one that resists the comfort those songs once provided.

The president greeted business leaders on his first full weekday in office by promising to eliminate three-fourths of federal regulations. Easier said than done. Much easier.

At the Democratic convention, the first lady said the election is about making a better future for the children. Hillary Clinton is the only candidate "who I trust with that responsibility," she said.

For days, fear and confusion have gripped immigrant communities after word spread that federal agents were rounding up hundreds of immigrants in cities across the country.

Airs Thursdays, Aug. 20 - Oct. 8, 2020 from 10-11:30 p.m. on KPBS TV

Mondays, Dec. 17 at 9 p.m. on KPBS TV + Wednesday, Dec. 19 at 9 p.m. & Monday, Dec. 24 at 10 p.m. on KPBS 2. Join the world-renowned Mormon Tabernacle Choir, Orchestra at Temple Square, Bells on Temple Square handbell choir, Gabriel Trumpet Ensemble, dancers and actors in an elaborate, Victorian-themed program that celebrates the Christmas season through music, dance, storytelling and pageantry.

New research finds they sustained skull injuries at about the same rate as early modern humans. "I definitely think that it's evidence these guys were not beating each other up," one expert says.