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Recycle
Paxi on the ISS: Recycling air and water
529
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4 years ago
Message from ESA astronaut Samantha Cristoforetti
567
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6 years ago
Paxi – The Greenhouse effect
497
Views
6 years ago
Paxi – Skleníkový efekt
497
Views
6 years ago
Newspaper Tree – Sick Science! #068
604
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12 years ago