October 17, 2014
Birds do the nuttiest things. In a flock, some of the birds will voluntarily serve as sentries, scanning the horizon for predators and calling out warnings. Having a sentry is good for the group but bad for the sentry, which has less time to search for food and, by issuing a warning call, is more […]
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September 24, 2014
“If anyone asks where we’re from, say America, not Israel.†Those were the instructions I gave to my wife and children for how to minimize friction while traveling outside of Israel after a summer where protests bordering on (and sometimes overtly embracing) anti-Semitism raged across Europe. Our vacation – ten days in Ireland, hiking, drinking […]
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