Astronomers publish map showing 25,000 supermassive black holes

An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the ...

Is bigger really better?

The United States is facing a housing crisis: Affordable housing is inadequate, while luxury homes abound. Homelessness remains a persistent problem in many areas of the country.

Hot tubs and swimming pools are not as clean as you may think

Whether water is hot in a tub or cold in a pool, it can bring immediate relief from stress or summer heat. But hot tubs and swimming pools are not always as clean as you might think, even when disinfected. In a new study ...

A look at competing math on pools versus lawns

The drought gripping California has the swimming pool and spa industry on the offensive. Pool contractors worry about damage to their business as water districts consider bans on filling new pools and refilling existing ones.

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