72 STASHED IDEAS
The Sun makes sound in the form of pressure waves. Pressure waves are created by pockets of hot gas that come up from deep within the Sun and break through the solar surface. The result is that the Sun's atmosphere is bubbling like a pan of boiling water.
The wavelength of the sound waves is measured in hundreds of miles, making them far outside the range of human hearing.
The most popular arts-related participatory activity in the United States is choral singing. The group activity seems to stand out for this reason: Singing has some effects that other participatory activities don't.
Choral singing makes people happy. In songbirds, a male singing to a female activates the pleasure centre of the male's brain. Scientists found that the effect of singing on birds' brains is similar to the effect of addictive drugs on human brains. But the effect doesn't happen when singing alone.
Most people want to live a happier life. But happiness is not easy to achieve despite the many proposed formulas: Get enough sleep. Exercise. Meditate. Help others. While they are linked to happiness, they don't work for everyone.
Researchers have turned to smartphones to try and understand happiness better. Thousand of people have contributed to The Happiness Project, a smartphone app that tracks happiness.
While we are not in control of our tastes, we can shape them and acquire new ones with the following tips:
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