We are only just starting to understand the potential of microscopic algae as forensic evidence.
Australia may have 'stopped the boats' but the tragedy of people drowning at sea continues to our north and is getting worse. A regional solution to the refugee crisis is urgently needed.
Political leaders have a ready culprit in people smugglers for drownings at sea. The problem is that this ignores responsibility for eliminating all other options for these people to avoid harm.