with a 'true' benefit achieved only if the increase in antitumor effect is larger than the normal tissue damage (Figure 3). The radiosensitizing ability of a drug can be expressed by the ...

RNA Timeline: A History in Hybridization and Structure Alexander Rich and David Davies discover the double-stranded RNA helix and show that polyribo U and polyribo A hybridize spontaneously.6 Ben Hall ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...