In an intriguing analysis, two studies have spotlighted seven island nations poised to withstand global calamities. New Zealand emerges as the frontrunner, lauded for its geographic isolation and abundant local resources. Australia, on the other hand, shines in nuclear winter scenarios, showcasing its vast food production potential. Both countries, however, grapple with import dependency for vital supplies, indicating distinct variations in their readiness based on various global crisis models.

Researchers tested a building's ability to stay cooler than outside air naturally. A special roof released heat towards the sky, while airflow moved air through openings. This passive system kept the test box significantly cooler than the prevailing outdoor temperature. The experiment demonstrated radiative cooling working with thermal mass and temperature-driven ventilation. This approach offers a way to cool buildings without mechanical systems.