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Katy Perry and her cast of characters (including Ratso, crayon-wielding soldiers and a big toilet) celebrated No. 50 at Resorts World on Friday.
That could soon change, say Estonian scientists Sander Ratso and Ivar Kruusenberg whose invention might make it plausible to build a gas station on Mars, which would provide space explorers with all the O2 they need.
Source: https://news.err.ee/1609052909/gas-station-on-mars-as-a-precondition-for-life-there