Biodegradable polyurethane
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Project Hephaistos: Scientists Claim To Have Detected Technosignatures From Dyson Spheres of Alien Civilization
Kaymakli Underground City: A Maze of Tunnels Deep Beneath the Earth Where Ancient Turkish Lived for Centuries
![Some Brain-Injured Patients Who Died After Life Support Was Withdrawn May Have Survived, Recovered Some Level of Independence 6 Months After Injury [Study]](https://1721181113.rsc.cdn77.org/data/thumbs/full/53613/89/56/50/40/some-brain-injured-patients-who-died-after-life-support-was-withdrawn-may-have-survived-recovered-some-level-of-independence-6-months-after-injury-study.jpg)
Brain-Injured Patients in Life Support May Survive 6 Months After Injury [Study]
Mauna Loa Observatory Reveals CO2 Accumulating in the Atmosphere Faster Than Ever; What Caused the Unexpected Pace of Global Warming?
