Sacyr's Blog

While some scientists are trying to spread sunlight-reflecting materials onto polar ice caps to slow climate change, others plan to inject them into the stratosphere. Now a team of US researchers has a new goal: to find out whether seawater can be used to produce brighter, more reflective clouds that cool the planet.

Jeanne Gang designed the St. Regis Chicago skyscraper, a 101-storey, 363-metre-tall megastructure inspired by the geometry present in natural materials like crystal and sapphire. These are the iconic buildings that owe their construction to influential female architects.

While the Flatiron building is only two metres wide at one end, some very narrow homes such as the Keret House contain a kitchen, bathroom, living room and bedroom. We take a look at the narrowest buildings on the planet.

With three in 10 people in Japan over 65, the number of citizens with dementia is rising. We look at how a tracking system implemented in Itami, a city with 200,000 inhabitants, aims to make life easier for these patients and why it is controversial.

For half a millennium, the Roman Colosseum was the scene of fierce gladiatorial combat, chariot races, parades of exotic animals and even public executions. We analyse the construction of the world's largest amphitheatre, which has also been a source of inspiration for emblematic films such as Gladiator.