Editor's note: This article has been updated with better context. The Health Ministry said samples from water sources used by the Kampung Kelaik were free from heavy metal contamination.
The researchers used molecular techniques on harbor water samples that use human-gut microbial ... An international team of polar researchers has found several types of microbiota living in the ...
The number of samples you collect and how often you collect them depends on your interests and the question(s) you have about your local watershed. WARNING: Always keep safety in mind when collecting ...