There are millions of species on Earth that we still know nothing about. Researchers call these species "biological dark matter," but new methods can provide us with a better overview more quickly.
Heat map illustrating the heterogeneity in the number of available DNA barcode records with species assignment. Data were retrieved from the BOLD Systems data portal in November 2025. Credit: ...
What Is a DNA Barcode? A DNA barcode is a short, standardized region of the genome used to identify an organism to species. Strictly, the DNA barcode is the sequence or genomic region used as the ...
Countries are highlighted whose representatives of a national initiative responded to the questionnaire (yellow), attended the workshop (green) or both (yellow–green stripes). Peru and South Africa ...
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