Earth

April 28, 2020
Especial

Greta Thunberg isn’t alone

The planet’s environmental health is at risk if urgent measures are not taken. Faced with this panorama, millions of young people have taken up the reins of activism, and though they may have differing perspectives, protest against climate change.
December 7, 2016

Google celebra la determinación de la velocidad de la luz

El buscador Google celebra el 340° aniversario del descubrimiento del astrónomo danés Ole Christensen Romer, […]