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 #10:

• How a tiny brain-manipulating machine helps understand neurological disease and neurotrauma..
• How to simplify your life.
• Why you're struggling to maintain a healthy weight.
• Why your body replaces cells at incredible speed.
• How to identify "hot spots" of aging and disease in DNA.
• How zombie genes come to life after you die.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.