If you’re unlucky enough to eat a salad contaminated with E. coli, it’s possible that you’ll never know the original source of the bug. After one recent outbreak of illnesses linked to leafy greens that ended in December, the CDC said that its investigation couldn’t identify the specific type or brand that had caused the problem. Even if a farm is flagged as the source, it often takes so long for the investigation to be completed that the lettuce isn’t recalled before consumers eat it. … [Read more...] about These invisible, edible biological tags help track down the cause of E. coli outbreaks
Causes of low serum ferritin
Do a seated stretch Stretching can aid circulation, improve flexibility, maybe even ease aches and pains. “There are many stretches that can be done while seated at the desk,” Lichter says. Look side to side, roll your head on half-circles on the front, roll your shoulders back a few times, stretch your arms above the head and then to each side, holding for a few moments. … [Read more...] about Salvage your health resolutions with these 9 simple moves
Is this a surprise? Many colleges had long ago let students decide whether to take Subject Tests, but the test results were still frequently used for freshman course placement, or to fulfill language requirements. For students, the Subject Test cancellation is immediate and sudden: Refunds are available for kids already registered for winter and spring tests. There were 20 subject tests in science, history, math, English, science, and languages. … [Read more...] about Who wins and loses with the College Board’s cancellation of the SAT essay and subject tests?
Corporate charitable donations were critical in order to absorb the immediate shock and disruption of the pandemic. But for business leaders willing to consider a far-sighted approach, there is another, higher-risk strategy with potential for longer-term change: betting on social enterprises. Social enterprises—essentially, startups and businesses that serve a social purpose in addition to a financial one—will be key to the world’s recovery as we build back a stronger, more resilient economy through innovation and inclusion of low-income populations that have thus far been excluded or exploited. … [Read more...] about Corporate donations shouldn’t be Band-Aids. Big bets on social enterprises will make more change
‘Unchecked power’ In short, decisions at a handful of corporations rapidly shut down the communications infrastructure of the Trump movement, with little means of recourse, leaving its constituents scrambling to find alternative means of finding each other. … [Read more...] about Why Big Tech’s swift reaction to the Capitol riot is a threat to democracy