For this week's Ask Science Mike, we address the following questions: What is the Universe expanding into? What implications does the multiverse have on Heaven and Hell? What's the historical basis for Noah's Flood? Is good and evil the result of spiritual warfare?

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Here's notes on each answer if you'd like to dig deeper.

Q1: What is the Universe expanding into?

Universe Today.

Q2: What implications does the multiverse have on Heaven and Hell?

Wikipedia on multiverse hypotheses.

MinutePhysics on the multiverse.

A Universe From Nothing.

Q3: What's the historical basis for Noah's Flood?

Possible Historical Basis for Flood Myths.

Q4: Is good and evil the result of spiritual warfare?

The Amygdala and Mass Murder.