A Harvard team of researchers has invented a way to keep any metal surface free of ice and frost. The treated surfaces quickly shed even tiny, incipient condensation droplets or frost, simply through gravity.
Between conception and birth, the human gut grows more than two meters long, looping and coiling within the tiny abdomen. Within a given species, the developing vertebrate gut always loops into the same formation — however, until now, it has not been clear why.
A quantitative analysis of the streams, drips, and coils of artist Jackson Pollock by a Harvard mathematician and others reveals that he had to be slow and deliberate to exploit fluid dynamics as he did.