sample preservation

New techniques to quantify what lived in and on preserved animals throw light on how parasite abundance has changed over time.

Cofounders of a microbiome biobank speak with The Scientist about their new partnership with nonprofit OpenBiome and how to ethically work with donors.

A retrospective analysis of stored respiratory samples shows one patient could have been infected with SARS-CoV-2 weeks before the coronavirus was thought to have arrived in France, but a critic of the result questions whether the sample was contaminated.

How to store microbiome samples without losing or altering diversity