Puerto Rico joined the thousands of people who took to the streets this Saturday in cities across the United States to protest what they consider Trump's authoritarianism.

Hundreds of Puerto Ricans demonstrated this Saturday in front of the Federal Court in San Juan to denounce what they called the "authoritarian, racist, dictatorial policies and abuses of power" by U.S. President Donald Trump, under the slogan "No Kings."

The frequency of errors and their variability underscore chatbots inadequacy for routine diagnostic use.

Medical chatbots that utilize artificial intelligence to answer questions provide erroneous responses in up to 70% of cases, according to a study that received one of four awards presented by the Milan Medical Association in honor of Roberto Anzalone, a historical figure in Milanese medicine.

Cycling enthusiasts ride bikes along a green trail in Guangzong county, Xingtai, north China's Hebei province.
Cycling enthusiasts ride bikes along a green trail in Guangzong County, Xingtai, north China's Hebei province.
(Photo: Wang Lei)

Active transportation -whether through leisurely walks or eco-friendly cycling- has become an increasingly popular choice in Chinese cities. Urban "slow-traffic systems," defined as non-motorized networks prioritizing walking and cycling, are expanding nationwide with locally tailored designs. These systems enhance urban livability while reducing environmental impact.