Science is all about making discoveries. That's it! It was my good fortune and Carl's good fortune to share an experiment that produced an unexpected result. In the 1960s, Carl became interested in the classification of bacteria with the ultimate goal of defining the relatedness of bacterial groups as well as events in the evolution of these organisms. He proposed to do this by studying the seq...

Since the State Agricultural School in Wageningen opened its doors in 1876, the Netherlands has had a school exclusively dedicated to researching, teaching, and propagating agricultural knowledge deemed important to the Dutch nation. Even though for most of its history the school has remained separate and inferior to Dutch academia – graduates of the school receive the telling title ‘agricultur...

INTRODUCTION Physicians who perform urethroplasty have varying opinions about when the urinary catheter should be removed post-operatively, but research on this subject has not yet appeared in the literature. We performed voiding cystourethrogram (VCUG) on our anterior urethroplasty patients on days 3 (anastomotic) and 7 (buccal) in an effort to determine the earliest day for removal of the ure...

At first sight Chris Hedges and Joe Sacco’s Days of Destruction, Days of Revolt belongs solidly in the same tradition as books such as James Agee and Walker Evans’s classic Let Us Now Praise Famous Men (1941), which grew out of an assignment in 1936 to produce a magazine article on the conditions sharecropper families in the South lived under during the “Dust Bowl,” as well asWilliam T. Vol...

BACKGROUND Despite its importance in the lived experience of dementia, symptom fluctuation has been little studied outside Lewy body dementia. We aimed to characterize symptom fluctuation in patients with Alzheimer's disease (AD) and mixed dementia. METHODS A qualitative analysis of health records that included notations on good days and bad days yielded 52 community-dwelling patients (women,...

BACKGROUND Schools are frequently cited as a favorable venue to promote physical activity (PA), however little data exist describing times when students are least active. Our objective was to overcome this limitation and describe time periods when students are least active. METHODS We used a cross-sectional design to assess patterns of PA in 923 grade 5 students [mean age: 10.9 (± 0.4) years]...