Certainty and extremism Will we ever know the origin of COVID-19? What can the Talmud teach us about Twitter and Facebook? And now, a moment with Hans Rosling.
Here's what's on the reading list this time 'round: Perhaps the rats were not the cause of the plague ... More on software that fails us, as the NTSB prepares its final report on Uber's fatal crash ... There is much to be grateful for in our world ... And cutting corners to get your child in college is not limited to ethically-challenged Americans.
Four sips from the firehose that is Internet content: Spicy and bitter are ways plants tried to dissuade you from eating them; CRISPR, in service of animal welfare, hits a snag; a podcast contrasts Nathan's Hot-Dog Eating Contest to chemotherapy, and good news science is alive and beautifully well.