Acid growth: an ongoing trip

How bacteria survive an acid trip.

The evolutionary pressure to populate rewarding niches can require organisms to survive high-risk environments. For bacteria that inhabit the nutrient-rich human gut, whether they are our friends or foes, the trip through the stomach requires clever strategies to survive harsh, low-pH conditions. Gut-resident Escherichia coli strains deploy a complex set of responses to counter the impact of th...

Trip-planner: An Agent Framework for Collaborative Trip Planning

Planning a trip to a particular destination can be a time consuming and daunting task. There is a wide range of information sources available, each claiming to present the best deals and the most complete tourist information. This information as well as the current weather, budget constraints, time constraints, and personal preferences all need to be taken into account when planning the perfect...

SUSTAINABLE URBAN REGENERATION, AN ONGOING DISCOURSE (WESTERN) EUROPE, GERMANY

An Ongoing Nemesis

M liability and its effect on the practice of obstetrics and gynecology is one of the most important issues that face the specialty and each practitioner today. As a result, the American College of Obstetricians and Gynecologists (the College) has worked hard to achieve reform, especially at the national level. On five separate occasions during the 110th Congress (2007–2008), the College facili...

Ebola--an ongoing crisis.

n engl j med 371;15 nejm.org october 9, 2014 1458 proach), we have posted a case at NEJM.org. As the series on fluid and electrolyte disorders goes forward, various cases will be posted 2 weeks before publication of an upcoming review article. These cases will be followed by questions about the diagnosis or management of the condition to be considered in the article. We encourage you to read th...