Why we wash our hands

Complementary Strategies : Why we use our hands when we think

Why don't doctors and nurses wash their hands?

For almost 150 years healthcare workers have been taught that cross-infections are transmissible but not contagious and that the most effective way to prevent these cross-infections is to wash their hands before and after every patient contact. But, they don't do it. They don't merely not do it every time, they don't do it most of the time and sometimes not even when it might be most expected, ...

Using our hands to change our minds.

Jean Piaget was a master at observing the routine behaviors children produce as they go from knowing less to knowing more about at a task, and making inferences not only about how children understand the task at each point, but also about how they progress from one point to the next. This article examines a routine behavior that Piaget overlooked-the spontaneous gestures speakers produce as the...

Why We Whistleblowers Are Passionate in Our Convictions

Ntambwe Malangu The implementation of the comprehensive plan for the care, management, and treatment of HIV and AIDS in South Africa [1] needs to be supported by all. It is encouraging to note that Wilson and Blower [2] used South Africa to develop a novel method to determine the optimal strategy for allocating antiretroviral treatment (ART) sites among healthcare facilities (HCFs) in KwaZulu–N...

Why do we have Purkinje fibers deep in our heart?

Purkinje fibers were the first discovered component of the cardiac conduction system. Originally described in sheep in 1839 as pale subendocardial cells, they were found to be present, although with different morphology, in all mammalian and avian hearts. Here we review differences in their appearance and extent in different species, summarize the current state of knowledge of their function, a...