WHAT WE LEARNED THIS WEEK

​Welcome to What We Learned This Week, a digest of the most curiously important facts from the past few days. This week: The struggles of a young man with CTE, the barbarism of Seal Team 6 and right way to raise a plant.
DON'T LOOK DOWN

Spencer Seabrooke wanted to break a slacklining record. The only problem was that if he failed, he'd die.
FEELING THE GROOVE IN TOKYO

I couldn’t quite figure out why Japanese listeners had come to appreciate and savor the blues in the way that they seemed to—lavishly, devotedly. Blues is still an outlier genre in Japan, but it’s revered, topical, present.
LOOKS COLD

Concordia Station is so remote that in order to replenish its supplies, a convoy of containers pulled by a tractor must make a 10 day, 600-plus mile journey across inhospitable terrain dubbed “White Mars.” A recent image from France’s Pleiades space satellite captured the journey, the convoy a tiny black scratch in a massive white expanse.