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...type questions you usually only get one attempt). If you get the answer right first time you will get more marks than for a correct answer the second or third time. Therefore, please be aware that for the two badge quizzes it is possible to get all the questions right but not score 50% and be eligible for the badge on that attempt. If one of your answers is incorrect you...

...phrase ‘locus of control’ in the 1960s. It’s about how much we feel a sense of our own agency and power to affect what happens to us. He argued that people differ consistently in how they attribute causes to either their own acts or to external forces. Rotter found that we tend to blame outside factors when things go wrong, yet we tend to take the credit when things...

...de Lecea at the Scripps Research Institute, San Diego, and colleagues published a paper describing two novel brain peptides. They gave them the name ‘hypocretins’ – an elision of hypothalamus (where they were found) and secretin (a gut hormone with a similar structure). They appeared to be chemical messengers acting exclusively inside the brain. Just weeks later, a...

...types of electromagnetic radiation, to interact with the fingerprints and make them visible. The fingerprints can then be photographed, ready to be compared by experts with a database of fingerprints or with fingerprints taken from a suspect. Assuming that a successful match is found, fingerprint evidence can then be used in an attempt at individualisation. This OpenLearn...