Skip to Content

News

Marchand competes in the 200m individual medley semifinals at the World Aquatics Championships in Singapore.

Léon Marchand breaks long-standing 200-meter individual medley world record at World Aquatics Championships

By George Ramsay, CNN (CNN) — French swimmer Léon Marchand took more than a second off the 200-meter individual medley world record on Wednesday to shatter American Ryan Lochte’s long-standing mark. Competing in the semifinals at the World Aquatics Championships in Singapore, Marchand clocked a time of 1:52.69 – 1.31 seconds faster than Lochte’s record

Continue Reading
Magdalena Zernicka-Geotz is the Bren professor of biology and biological engineering at Caltech.

Lab-grown embryo models are getting more realistic. Scientists are getting more concerned

By Katie Hunt, CNN (CNN) — Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into many different specialized cell types – to form laboratory-grown structures that resemble human embryos. These embryo models

Continue Reading

El gran repunte del PIB enmascara una debilidad oculta en la economía estadounidense

Por Bryan Mena, CNN La economía de EE.UU. se expandió considerablemente en el segundo trimestre debido a que las empresas redujeron las importaciones tras haber acumulado reservas a principios de año para anticiparse a los aranceles del presidente Donald Trump. Sin embargo, un análisis profundo revela una economía que se tambalea. El producto interno bruto

Continue Reading