However, this is the first study to film and observe an ape shaking its head in a negative context to stop or prevent other bonobo behaviour.

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Other key objectives include trying to observe important new details about black holes, and attempting to study a galaxy that produces up to 100 suns a day.

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By contrast, the approach in modern medicine, one that has been validated in hundreds of thousands of controlled experiments, is to rigorously identify, and observe, any factors that may unfairly bias a study.

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Indeed, one principal purpose of the Bolshoi simulation is to compute and model the evolution of dark matter halos thereby rendering the invisible visible for astronomers to study, and to predict structures that astronomers could then seek to observe.

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One night in March, Gonzaga invited me to observe a session that was part of a five-year longitudinal study he is conducting of three hundred and one married couples.

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