On 10 September phones and sirens sound the alarm. What cell broadcast, NINA and siren signals mean, what to check that day, and what helps if your phone stays silent.
The German civil protection list as active ingredients rather than brands, the gap around regular medication, and how the stock stops expiring unnoticed.
What really belongs in a go bag, why weight is the actual difficulty, what children and pets need, and which popular pieces of kit you can safely leave out.
Two litres per person per day is the official planning figure. What that means for a household, what to store water in, and how far the supply stretches.