This week on Ask Science Mike, we covered the following questions:

1. Is the soil on Mars sterile?

2. Do blue-blockers really work?

Are Computer Glasses Worth It?

The effect of blue-light blocking spectacle lenses on visual performance, macular health and the sleep-wake cycle: a systematic review of the literature.

3. What's the science behind cults?

Cult Education Institute FAQ

This episode was made possible by these amazing sponsors:

KiwiCo: send the gift of learning to a child in your life this holiday season. Learn more at https://kiwico.com/science

Biologos: check out my conversation Jim Stump on the podcast The Language of God.