We're very excited about the arrival of the Mars Reconnaissance Orbiter in a couple of days, but my heart rate is going up for a different reason.

With the arrival of MRO and its very powerful, highly capable payload, we expect to enter into yet another chapter of Mars exploration. In addition to studying Mars as a system, MRO will also be looking at areas that are potential landing sites for our future landed missions.

Those are very sobering numbers.

I don't want to break someone's heart, but you can't control that. A broken heart happens; that's inevitable.

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There is also a surging fear of marriage among young people. The number of divorces, extra-marital affairs, cheating and domestic violence have warned us that marriage isn't easy.