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A mathematical approach known as ‘true score theory’ can assess the contribution of luck to a team’s overall success. Bruce Bennett/Getty Images

The luck of the puck in the Stanley Cup – why chance plays such a big role in hockey

With low-scoring games and a preponderance of deflected shots, randomness is much more likely to color NHL teams’ records than those of squads in the other four major US pro sports leagues.
Each subtle cultural or personal twist to a fermented dish is felt by your body’s microbial community. microgen/iStock via Getty Images

Fermented foods sustain both microbiomes and cultural heritage

From kimchi to kombucha and sauerkraut to sourdough, many traditional food staples across cultures make use of fermentation. And these variations are reflected in your microbiome.
The Fort Randall hydropower dam in South Dakota flooded thousands of acres of Native American land when it was built in 1952. Harry Weddington, USACE/Wikipedia

Native American voices are finally factoring into energy projects – a hydropower ruling is a victory for environmental justice on tribal lands

The Federal Energy Regulatory Commission recently ruled that it won’t approve energy projects on Native lands without tribal consent. But many more applications are pending.