Editor's note: The video in the player above is from the dyeing of the Chicago River in 2025. Home to one of the largest Irish-American populations in the United States, Chicago's St. Patrick's Day ...

In the 1920s, there was some controversy about whether or not tartrazine had negative effects on the health of children. Some people claimed it caused hyperactivity. But it wasn't until 1973 when ...

Optical techniques are methods that use light to probe or control matter. One prominent example is optical spectroscopy, which includes such methods as pump–probe spectroscopy, Raman spectroscopy and ...

A common concern for all the blondies out there, hair can quickly become yellow and barbie-like, especially if your using the wrong products. Quick fix: Purple sits opposite yellow on the colour wheel ...

Characterization and analytical techniques are methods used to identify, isolate or quantify chemicals or materials, or to characterize their physical properties. They include microscopy, light or ...

For Florida residents who grew up during the arcade boom, Silverball offers a powerful dose of nostalgia more potent than the ...