[ad_1] The microscopic yeast that could survive in association with a 5,300-year-old body feels unlikely, almost speculative. Yet the frozen remains of Ötzi, the Copper Age “Iceman” preserved in the Alps and housed in a controlled museum chamber in northern Italy, have provided scientists with an unexpected testing ground for that possibility. Over decades of…

[ad_1] How Shrimp Shells Are Being Turned Into ‘Carbon Negative’ Fuel, Food and Construction Materials Discarded shrimp shells could soon become more than kitchen waste. Scientists in Singapore have developed a process that converts organic rubbish into hydrogen fuel, protein for aquaculture feed and calcium carbonate, a material used in products such as cement and…

[ad_1] Building a city on Mars has long been a symbol of human ambition, but the practical reality behind it is far more complicated than the dream suggests. A recent preprint study led by Serena Suriano explores one of the biggest hidden challenges: where the construction materials will actually come from. Mars does have iron,…

[ad_1] Green roofs offer a solution to urban heat by absorbing sunlight and releasing water. Vegetation shades surfaces and evapotranspiration naturally cools surrounding areas. These living roofs also manage rainwater and provide habitats for urban wildlife. Extensive and intensive systems cater to different building needs and budgets. Cities worldwide are adopting green roofs to combat…