suicide rate in physicians has been reported to be higher than general population or other academics. previous studies found that 85-90% of people who commit suicide had been suffering from some type of psychiatric disorder. suicide prevention is the key element in lowering the numbers of physicians who destroy themselves and end their lives each year. it is needed to provide some educational p...

Many animals are toxic or unpalatable and signal this to predators with warning signals (aposematism). Aposematic appearance has long been a classical system to study predator-prey interactions, communication and signalling, and animal behaviour and learning. The area has received considerable empirical and theoretical investigation. However, most research has centred on understanding the initi...