I also want to recognize one other person who is responsible more than any other for the idea to create a Prize addressing this subject, and that person is my long-time colleague, frequent collaborator, sometime toughest critic, and close friend, Paul R. Dimond. The idea for this Prize grew out of many conversations over the years between us. Paul possesses a rare combination of keen intelligen...

Animals titrate their behaviour against the level of risk and an individual's conspicuousness should influence decisions such as when to flee and for how long to hide. Conspicuousness will vary with variation in substrate colour. Since hermit crabs frequently change the shells they occupy, shell colour will also influence conspicuousness and to be aware of their conspicuousness would require in...

Symptoms Although most depressed patients are not hypogonadal, testosterone deficiency can cause depressed mood, low self-confidence, timidity, fearfulness, irritability, low libido, and impaired sexual function in men and women. Conversely, robust androgen secretion usually promotes good mood, selfconfidence, boldness, dominant behavior, and strong libido. Men’s normally higher testosterone le...

signs of threatened rupture, and thus we can, in a number of cases, exercise a salutary prophylaxis with the best results. Further, though cases arise from time to time in which no opportunity for preventive measures is given us, the resources of modern surgery encourage us to interfere, even in apparently desperate circumstances, and not infrequently this boldness is amply justified. It may, I...