We often take indoor air quality even though it has pollutants from outside and those released indoors. The Air Quality Index (AQI) measures eight primary air pollutants: particulate matter (PM2.5 and ...

Inside his cell on Rikers Island, Brian Croskey spends hours every day drawing elaborate artwork to free his mind.

April 9, 2025 • On April 14, Blue Origin plans to launch a space flight with a crew that includes the singer behind the 2010 hit "Firework." But we can think of many other artists who deserve to ...

Languages: English. Katy Perry is set to make space history on Monday as part of the first all-female crewed mission to fly into space since 1963. The pop superstar will join five other women ...

Apr. 9, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their ...

Plasmas are found naturally in stars and in space. The field-reversal configuration (FRC) represents a fusion device concept capable of high power density with a compact geometry. Here ...

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How peaceful were the Minoans, really? Why did they leave behind no iconography of war, no murals of battles, no towering fortifications—despite their contact with contemporary Eastern cultures that ...