The green coating on new Boeing aircraft may seem like a strange choice, but it plays an important role in protecting the airplane from corrosion.

Certain toxic chemicals are sometimes added to turmeric to enhance its colour. For example, lead chromate, a dangerous yellow pigment, can be detected by mixing turmeric with water and observing the ...

ENVIRONMENTAL health and justice groups EcoWaste Coalition and International Pollutants Elimination Network (IPEN) on Dec. 27, 2025, called on the Philippine government to join the growing number of ...

Residents of Owino Uhuru village in Mikindani, Mombasa demonstrating outside a lead manufacturing company, citing environmental and health concerns, on September 27, 2011. New research has uncovered a ...

At first glance, a freshly built Boeing 737 appears to have an odd green patchwork that might look like a shoddy paint job from a sketchy shop. In reality, the green coating on newly assembled Boeing ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...

Vincent Van Gogh was obsessed with the pigments in his paints, and he knew as much or more about their composition and vulnerability as many of his contemporaries. So it is a tragic irony that many of ...

Last Halloween, the FDA flagged a worrying discovery: High levels of lead were found in applesauce pouches meant for young kids. Parents were alarmed, because the heavy metal can cause irreversible ...

I’m nasty, but useful in the lab. What molecule am I? In German Patent 182,287 (1905), inventor Max le Blanc of Leipzig described an electrolytic method for the continuous production for chromic acid ...

In April, the National Library of France removed four 19th century books, all published in Great Britain, from its shelves because the covers were likely laced with arsenic. The books have been placed ...