A recent survey finds Australians feeling optimistic about their own finances, but less so about the country's overall.
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An optimistic partner may stave off the risk factors leading to Alzheimer's disease, dementia, and cognitive decline as you grow old together.
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A new paper, co-authored by Dakota McCoy, a graduate student working in the lab of George Putnam Professor of Biology David Haig, suggests that, after using tools, crows were more optimistic.
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