Scientists are baffled by solid gold particles found in Norway spruce needles. Previously thought impossible, this discovery ...
Wildfire smoke is no longer just a short‑lived air quality problem drifting over cities for a few hazy days. New research shows that when these plumes rise high into the atmosphere, they can spawn ...
Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...
The separation process can be conducted using various instruments, but the most fitting method depends on the mixture’s properties. This article covers the importance of solid-liquid separation in the ...