long-term articles
How do vaccines create long-term immunity?
How long does it take the core to collapse in a supernova?
How long does it take water to go through soil?
How long would it take for a body to decompose on Mars?
How long do chemicals stay in soil?
How long does poison last in soil?
How long do toxins stay in soil?
How do we relate to the Goldilocks story in terms of our survival on Earth?
