“I’m losing my mind.” That’s what I told myself as I reviewed my list of tasks and couldn’t focus enough to tackle even one item. There are many things I can’t do, like hop on a pogo stick, train an iguana, or make hot dogs from scratch. But I’m someone who can get stuff done. Except lately sometimes I can’t. And it turns out I’m not the only one. In a recent article, science journalist Tara Haelle explains, “Surge capacity is a collection of...