Johnny Zhu from the Modernist Cuisine kitchen shares a seasonal recipe. The layers are: pressure-cooked pork carnitas; pressure-cooked refried beans; cheese emulsified with sodium citrate; and startlingly traditional top strata of salsa, avocado, sour cream, and scallions. See the recipe here.
The question remains, though: why seven layers? What is the numerological significance?
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Engineers are racing to build robots that can take the place of rescuers. That story, plus a city that storms can't break and how having fun could lead to breakthrough science.
Also! A leech detective, the solution to America's train-crash problems, the world's fastest baby carriage, and more.


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This picture makes me a little nauseous.... blah!
You'll be spending a lot of time in the bathroom.