El siniestro, que el presidente suizo calificó de una de las peores catástrofes de la historia de Suiza, dejó a la localidad turística de Crans-Montana en estado de shock. Por Ségolène Le Stradic y ...
Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...
The Sustainable Development Agenda is centred on people & planet, underpinned by human rights and supported by a global partnership determined to lift people out of poverty, hunger and disease. It ...
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