Las abreviaturas ya eran usadas en la antigüedad y casi que han existido desde que el hombre usa la escritura. En este video veremos 10 abreviaturas que eran usadas durante el imperio romano o en épocas subsiguientes.
President Donald Trump is criticizing former President Barack Obama's efforts to lift some sanctions against Cuba and warns that the presumptive Democratic nominee, Joe Biden, would even embrace socialism domestically.
Ghislaine Maxwell has pleaded not guilty to federal charges accusing her of conspiring with Jeffrey Epstein to sexually abuse underage girls. CBS News legal analyst Rikki Klieman joins CBSN with the latest developments in the case.
Researchers diving into dark submerged caves on Mexico's Yucatan Peninsula have found evidence of an ambitious mining operation starting 12,000 years ago and lasting two millennia for red ochre, an earth mineral pigment prized by prehistoric peoples.
he 1st experimental COVID-19 vaccine in the US revved up people's immune systems just the way scientists had hoped, researchers reported Tuesday. The vaccine will undergo its most important test later around July 27: a 30,000-person study.
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