Genetic evidence has become a critical aspect of modern criminal investigations. What are the methods and approaches used in present-day DNA forensics?
Animals shed bits of DNA as they go about their lives. A new study of the Hudson River estuary tracked spring migration of ocean fish by collecting water samples and seeing whose DNA was present when.
Forget the pith helmet and butterfly net. Discovering biodiversity now is much more about metagenomics and the 0's and 1's of digital databases.