Pecora immediately broadened the Senate investigation from short-selling to all Wall Street behaviour, starting with City Bank.

ECONOMIST: How Ferdinand Pecora won the blame game

The mathematics of gas molecules are well understood, and provide a surprisingly good starting point for analysing the behaviour of cars.

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Professor McGrew said the team was starting to see new patterns of chimpanzee behaviour emerging.

BBC: Cultural habits of chimps

Research presented at the AAAS in Boston is starting to unravel the mysteries of shark behaviour, and how they might best be protected.

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Dr Jon Goldin, an ADHD expert at Great Ormond Street Hospital, agreed that treatment should be a combination of drugs - starting at low doses - with behavioural and psycho-social interventions, such as giving praise for good behaviour.

BBC: 'A toddler trapped in a teen's body'