Brain health

Pareidolia: Why We See Faces in Everything

The face in the wall outlet, the man in the moon, the shape in the clouds— all are pareidolia, the mind's habit of finding patterns.

Chunking: How the Brain Packs More Into Memory

Working memory is tiny, yet experts seem to hold vast amounts in mind. Explore chunking, the strategy that expands the reach of memory.

Desirable Difficulties: Why Harder Learning Lasts Longer

Some difficulties in learning are not obstacles but tools. Explore desirable difficulties and why making learning harder can make it stick.

Interleaving: Why Mixing Up Practice Improves Learning

Practicing one skill at a time feels efficient, but mixing skills works better. Explore interleaving and the counterintuitive science of practice.

The Reticular Activating System: The Brain's Attention Gate

A network in the brainstem governs arousal and helps filter the flood of incoming information. Explore the reticular activating system.

Neurogenesis: Can the Adult Brain Grow New Neurons?

For decades, science held that the adult brain could not grow new neurons. Explore adult neurogenesis and the genuine, ongoing scientific debate.

The Science of Forgetting: Why a Leaky Memory Is Useful

Forgetting feels like failure, but it may be a feature, not a flaw. Explore the science of forgetting and why a leaky memory serves the mind.

How Sleep Consolidates the Day's Memories

Sleep is not lost time for the memory system—it is prime time. Explore how the sleeping brain consolidates the memories of the day.

Myelination: How the Brain Speeds Up Its Signals

The brain insulates its wiring to make signals faster. Explore myelin and how myelination shapes learning, skill, and brain development.

Memory Consolidation: How the Brain Makes Memories Permanent

A new memory is fragile and easily lost. Explore memory consolidation, the process that stabilizes experience into lasting memory.

The Testing Effect: Why Retrieval Beats Rereading

Trying to recall information strengthens memory more than reviewing it. Explore the testing effect and why retrieval is the engine of learning.

How the Brain Constructs the Experience of Time

Time can crawl or fly, yet the clock ticks steadily. Explore how the brain constructs the subjective experience of time's passage.