VII. Fast Radio Bursts
Powerful bursts of radio energy regularly arrive from distant galaxies.
They last only milliseconds but release enormous amounts of energy.
Scientists continue studying these mysterious signals, but their exact source is still debated.
VIII. Consciousness
How does the brain create thoughts, emotions, awareness, and personal experience?
Neuroscience has made remarkable progress, yet consciousness itself remains one of science’s greatest unanswered questions.
IX. Why Do We Yawn?
Yawning occurs in humans and many animals.
Researchers have proposed several explanations involving brain temperature, alertness, and social behavior, but no single theory fully explains every situation.
