Josh Harkinson

Josh Harkinson

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Born in Texas and based in San Francisco, Josh covers tech, labor, drug policy, and the environment. PGP public key.

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Walmart Gave Workers a Raise—But It's Not Enough to Keep Them off the Dole

| Wed Apr. 1, 2015 6:20 AM EDT
A Black Friday protest at a Walmart store in Chicago

A typical Walmart Supercenter costs taxpayers more than $900,000 a year in public assistance doled out to its low-wage workers. This fact, published in a congressional report in 2013, galvanized labor protests at Walmart stores across the country last year, leading the retail giant to announce in February that it would give some 500,000 workers a raise. (Today, McDonald's announced a similar increase). And that's something. But according to a report released today by Americans for Tax Fairness, Walmart's pay is still far too low to wean many "associates" from federal subsidies such as food stamps and Section 8 housing.

Under Walmart's new plan, full-time associates who've completed a six-month training program will earn at least $10 an hour next year. Many Walmart workers, however, are involuntary part-timers, and nearly half of the associates turn over each year. But workers who qualify for the $10 base wage by working at least 34 hours a week, which Walmart considers "full time," would still earn only $17,680 a year—well below the cutoff for many federal assistance programs, especially if a worker has children.

Americans for Tax Fairness

The four Walton heirs, who are collectively worth $144.7 billion, are Walmart's largest stockholders and constitute the nation's wealthiest family. If they wanted to stop enriching themselves at the expense of taxpayers, they could pay their workers at least $15 an hour for a 40-hour workweek. According to Americans for Tax Fairness, this would have cost Walmart about $10.8 billion in 2014, or about half of the increase in the Waltons' net worth that year.

Scientists Can Predict Your City's Obesity Rate by Analyzing Its Sewage

| Tue Mar. 31, 2015 6:10 AM EDT
The sewage of fat cities like Little Rock and Toledo is easy to distinguish from that of skinny ones like Denver and San Diego.

If someone were to ask you what distinguishes skinny cities from fat ones, you might think of the prevalence of fast-food joints, the average length of automobile commutes, or the relative abundance of parks and jogging trails. But there's also another, more underground factor: their sewage.

Researchers with the University of Wisconsin-Milwaukee collected raw sewage samples from the intakes of municipal wastewater treatment plants in 71 cities around the country. Their results, published last month in mBio, the American Society for Microbiology's open-access journal, showed that the microbial content of that sewage predicted each city's relative obesity with 81 to 89 percent accuracy.

The finding actually isn't all that surprising, says lead author Ryan Newton, a visiting professor at UWM's School of Freshwater Sciences. Other studies have shown that bacterial imbalances in your intestines can lead to metabolic syndrome, obesity, and diabetes. Newton's study, however, is the first to demonstrate that those microbial differences also play out across entire populations, even after our poop gets flushed, mixed together, and sent through miles of pipes.

The UWM study was enabled by computing advances that have allowed scientists to rapidly sequence microbial populations and look for patterns in the results. Other researchers are using similar techniques to look for correlations between gut bacteria and a wide range of health conditions.

Scientists hope other data derived from sewage could help predict epidemics and track public health trends.

Newton isn't the only scientist who sees sewage as a promising place for data dives. The Massachusetts Institute of Technology's Underworlds project, which began in January, will study sewage for the presence of viruses such as influenza and polio; bacterial pathogens that cause cholera typhoid fever, and other diseases; and biochemical molecules ranging from antibiotics to illegal drugs like cocaine and methamphetamine. Scientists hope the resulting data could help predict epidemics and track other public health trends within particular neighborhoods. 

As scientists gain a better understanding of the interplay between microbes and human health, they may eventually be able to look at municipal sewage to figure out which communities would be the best to target with public health campaigns designed to, say, get people to eat less sugar or more vegetables.

And just as important, sequencing sewage could eliminate the thorny problem of doing public health surveys. Unlike people, your poop can't lie about what you had to eat.

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