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Is sending “oldies” to Mars an acceptable sacrifice – or a case of “voluntary euthanasia”?

Pensioners to go to Mars – why the old ones are the best

Tourist “astronaut” millionaire Dennis Tito wants to send an “older couple” to Mars. Would this be a stunt by an enthusiast or a meaningful breakthrough in space exploration? Being elderly myself, I have…

Swamp plants their own masters

Plants in swamps and marshes have been observed actively altering their environment to increase their species’ chance of…

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