The next three chapters are about Darwin's theory of natural selection. Chapter 7 is about how we use natural selection to make sense of biology, and chapters 8 and 9 are about theoretical issues in the theory itself, including the role of genes in inheritance, the relationship between nature and nurture, evolution and development, and the 'units of selection' controversy. These two chapters mo...

Syphilis, a chronic and systemic sexually transmitted infection, is caused by the spirochaete Treponema pallidum subspecies pallidum. It has the nickname of great imitator in the history of medicine because of its diverse clinical manifestations that occur in different stages of the disease. Shortly after the discovery of causal relationship between syphilitic infection and Treponema pallidum b...

An impressive abundance of high quality scientific content about Earth’s biodiversity and natural history available in Natural History Museums (NHMs) around Europe remains largely unexploited due to a number of barriers, such as: the lack of interconnection and interoperability between the management systems used by museums, the lack of centralized access through a European point of reference l...

The quinolones have evolved from antibacterial agents with a limited spectrum of predominantly anti-gram-negative antimicrobial activity and a restricted number of indications to a class of widely used oral (and, in some cases, intravenous) antibiotics with extensive indications for infections caused by many bacterial pathogens in most body tissues and fluids. This evolutionary pattern has aris...