Cool Facts are quick hits of new human and world science curated into short bursts of information just for you. This fun compilation publishes one Friday a month. Enjoy!

Here’s the current lineup for episode #11:

• Hyperbaric oxygen treatments could make your blood cells grow younger.
• Infection-fighting immune cells in your brain get their training in your gut.
• Reprogramming T-cells to act like stem cells helps your immune system.
• What happens in the womb changes genes through mom's epigenetics.
• Self-watering soil could expand farmable land and reduce water used in agriculture.

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