When your roommate eats the last Oreo in the freezer, that's an annoyance. When your roommate eats the last Oreo you'll see in months, you might have a problem.

On Sept. 17, six volunteer crew members emerged from eight months of isolation. Their quarantine, part of a NASA-backed study by the University of Hawaii, could one day help humanity plan a drama-free Mars mission.

For the last eight months, the six volunteers lived in a tiny shelter on the slopes of an active volcano, sharing their living space, meager kitchen, and solitary shower.

From a distance, their house-sized habitat looked like a golf ball sitting in the loneliest sand trap in the universe. Photo from HI-SEAS V Crew/University of Hawaii News/Flickr.

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It is said that once you've seen something, you can't unsee it. This is exactly what is happening in America right now. We have collectively watched the pot of racial tension boil over after years of looking the other way, insisting that hot water doesn't exist, pretending not to notice the smoke billowing out from every direction.

Ignoring a problem doesn't make it go away—it prolongs resolution. There's a whole lot of harm to be remedied and damage to be repaired as a result of racial injustice, and it's up to all of us to figure out how to do that. Parents, in particular, are recognizing the importance of raising anti-racist children; if we are unable to completely eradicate racism, maybe the next generation will.

How can parents ensure that the next generation will actively refuse to perpetuate systems and behaviors embedded in racism? The most obvious answer is to model it. Take for example, professional tennis player Serena Williams and her husband, Reddit co-founder Alexis Ohanian.

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