The following sources were consulted in the preparation of the article “13 mysteries that keep scientists up at night.”
- The Cosmological Lithium Problem
- Yawning: An Unsolved Mystery of the Deep Brain
- Brain Basics: Understanding Sleep
- Anesthesia | National Institute of General Medical Sciences
- Wow! signal
- Where exactly does the quantum world end and concrete reality begin?
- Fermi paradox
- Abiogenesis
- Hubble Constant and Tension
- Does brain activity cause consciousness? A thought experiment
- The big bang blip: Solving the mystery of why matter exists
- Dark matter