Minuscule particles of gold in the needles of Norway spruce trees that are produced by bacteria living inside the plant ...
In the deep boreal forests of northern Finland, where ancient conifers stand motionless over the snow-covered landscape, ...
All channel samples are collected directly from the bedrock. A geologist examines the bedrock and marks out the intervals to be sampled and the cutting line. Sample lengths are mostly 1.0 m and ...