Why advertisers pay more to reach viewers who watch less

A new study finds that viewers' income and likelihood of buying a product are not the factors that determine how much it costs to reach them— it's how active they are on the platforms where the ads run.

How should Japan make use of vacant homes in old new towns?

During Japan's 1960–90 population boom, new towns sprouted up across the nation. These new towns were quiet residential neighborhoods of suburban areas, many of which are now shrinking in terms of inhabitants. They have ...

Q&A: The impact of China's rapidly aging society

Due to its economic growth and large population, the People's Republic of China is widely viewed as a rising economic and military superpower. But declining fertility rates and increased life expectancies over the last few ...

Rock bands as transformative learning spaces for older adults

Everyone's right to learn continues throughout life. According to Finnish music education researchers, educational and cultural institutions are responsible for finding new ways to respond to the needs of a rapidly aging ...

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Old age

Old age consists of ages nearing or surpassing the average life span of human beings, and thus the end of the human life cycle. Euphemisms and terms for old people include seniors (American usage), Senior Citizens (British and American usage), or the elderly. As occurs with almost any definable group of humanity, some people will hold a prejudice against others — in this case, against old people. This is one form of ageism.

Old people have limited regenerative abilities and are more prone to disease, syndromes, and sickness than other adults. For the biology of ageing, see senescence. The medical study of the aging process is gerontology, and the study of diseases that afflict the elderly is geriatrics.

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