How cool is that?

it’s a dog’s life, part 2

In part 1, I asked for guesses about the genetic identity of my beloved mutt, Darwin, to see if anyone was closer than the genetic test we did to try to uncover his ancestry. Surprisingly, of the four breeds that the test identified as being present in him at some level, none of them was beagle — or a hound dog of any type.

helium: a weighty question

My research focuses on how magnets behave when you make them very, very small. (The broad answer is: really interestingly and often unpredictably.) Like many people who study the physical world, it is much easier to get at the basic nature of a material if you cool the material to very low temperatures. Cooling literally “freezes out” many effects, making the system simpler to understand.

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