We instituted a multidisciplinary educational and operational quality improvement initiative to assess the effect of process interventions on reducing OR door openings and, by extension, surgical site infections. From 2009 to 2012, we conducted an initial trial to gather information and identify reasons for door openings followed by a three-phase investigation that evaluated a total of 102 orth...

IMAGINE THAT A RELATIVE OR A FRIEND ASKED YOUR OPINion about accepting $1000 to participate as a human subject in an experimental trial in which he would be required to consume a pesticide. Were you aware that such experiments were permissible? What advice would you give? Breaking with a long tradition in the ethics of human experimentation that distinguished therapeutic from nontherapeutic age...

Equally it is not unusual to come across door-to-door sale agents working in couples rather than on an individual basis. In democratic electoral campaigns, small groups (typically couples) of political party activists may visit, door-to-door, potential electors and seek to gain their votes. Trade union movements often try to coordinate their actions in order to strengthen their position against...

The influence of lateral visibility from the vehicle cabin on safety was evaluated by examining the differences in lane-change crashes of four-door and two-door body styles of the same vehicle models. These two vehicle styles were used because B-pillars (the pillars between the front and rear seats) on four-door models are farther forward, and thus nearer the fore-aft position of the driver. (F...

Suppose you’re on a game show, and you’re given the choice of three doors: Behind one door is a car; behind the others, goats. You pick a door, say No. 1, and the host, who knows what’s behind the doors, opens another door, say No. 3, which has a goat. He then says to you, “Do you want to pick door No. 2?” Is it to your advantage to switch

This paper considers the three-dimensional container packing problem (3DCPP) under home delivery service, which predetermines an ordering of delivering ordered cargo boxes to customers, and aims to load a subset of those boxes according to the delivery ordering into a 3D car container with maximal utilization ratio of the container space while prohibiting the process of delivering cargos to eac...

You are a contestant on a game show. There are three closed doors leading to three rooms. Two of the rooms contain nothing, but the third contains a luxury automobile which is yours if you pick the right door. You are asked to pick a door by the MC who knows which room contains the car. After you pick a door, the MC opens a door (not the one you picked) to show an empty room. Show that, even wi...