This reminds me of a recent post on HN: http://news.ycombinator.com/item?id=1731459 http://news.ycombinator.com/item?id=1731459 The postdoc thought it was sub

This reminds me of a recent post on HN: http://news.ycombinator.com/item?id=1731459 http://news.ycombinator.com/item?id=1731459 The postdoc thought it was subtle enough to kill those cultures with ethanol, and thought everybody else wouldn't be clever enough to catch him. But the grad student was probably clever enough.