Biofilms have always been known for resistance to antibiotic treatment. There are many reasons for this ability to survive. Some bacteria, once they infect a host, elect to take on a planktonic, or nomadic, lifestyle in order to maximize nutrient availability. Others, however, elect to congregate with other microorganisms, settling in one area and creating a single sessile organism in order to provide mutual protection for the entire colony. In fact, the act of collecting many different bacteria into a single organism makes the entire colony about "500 times more resistant to...

Obtain the solid foundation you need to become an effective database programmer with this nuts-and-bolts PS/SQL book from Oracle Press. Step-by-step coverage includes storing, retrieving, and manipulating data, and a broad range of SQL and PL/SQL functions and tools. Real-life examples and hands-on projects help you see how to apply what you have learned.

Practical Guide to Evidence provides a clear and readable account of the law of evidence, acknowledging the importance of arguments about facts and principles as well as rules.

This fifth edition has been revised and updated to address recent changes in the law and debates on controversial topics such as surveillance and human rights. Coverage of expert evidence has also been expanded to include forensic evidence, bringing the text right up-to-date.

Including enhanced pedagogical support such as chapter summaries, further reading advice and self-test exercises, this leading...