AhaPeek

Know more. Stay curious.

What can we become?

Our minds, our bodies and the ways we experience the world.

Some introductory pieces are editorial previews. Published Explore articles include sources and review dates.
Illustration for Why Can Music Give You Goosebumps?

HUMAN / EXPLORE

Why Can Music Give You Goosebumps?

Music-induced chills connect tiny skin muscles, sympathetic arousal, anticipation, and the brain’s reward system.

3 min read · Read article
Illustration for Your Skeleton Repairs Itself by Taking It Apart

HUMAN / PEEK

Your Skeleton Repairs Itself by Taking It Apart

Living bone is renewed by a coordinated sequence: one group of cells removes old tissue, another rebuilds it, and embedded cells help direct the work.

1 min read · Take a peek
Illustration for Patients Helped an Epilepsy Monitor Learn Its Mistakes

HUMAN / NEWS

Patients Helped an Epilepsy Monitor Learn Its Mistakes

In a 13-patient hospital study, feedback from people undergoing EEG monitoring helped a seizure detector reject many of its own false alarms.

2 min read · Read article
Illustration for Why Can a Missing Limb Still Feel Present?

HUMAN / EXPLORE

Why Can a Missing Limb Still Feel Present?

Phantom sensations reveal that the brain does not simply erase a body part when its signals stop arriving.

3 min read · Read article
Illustration for Bath Wrinkles Begin Beneath the Skin

HUMAN / PEEK

Bath Wrinkles Begin Beneath the Skin

Water-wrinkled fingertips are produced by a nerve-controlled change in blood flow—not simply by skin soaking up water.

1 min read · Take a peek
Illustration for Why Your Body Can Keep More Than One Time

HUMAN / EXPLORE

Why Your Body Can Keep More Than One Time

A small meal-timing experiment reveals why your internal clocks do not all respond in the same way.

3 min read · Read article
Illustration for Did Diving Help Shape the Body That Later Ran?

HUMAN / EXPLORE

Did Diving Help Shape the Body That Later Ran?

Imagine an early human looking for food at the water's edge. A September hypothesis asks whether repeated shallow diving helped shape abilities later useful for endurance running. The intriguing part is the proposed order of events.

3 min read · Read article
Illustration for Stopping a Cavity Without Making It Disappear

HUMAN / PEEK

Stopping a Cavity Without Making It Disappear

A cavity can stop getting worse even though its damaged surface is still there. That distinction changes how to read a treatment result.

1 min read · Take a peek
Illustration for A Neanderthal Inheritance With a Small Modern Effect

HUMAN / PEEK

A Neanderthal Inheritance With a Small Modern Effect

A dramatic ancestry story can hide an undramatic number. One inherited receptor variant is associated with about 270 grams more muscle on average.

1 min read · Take a peek
Illustration for Helping Cells Read Past a Premature Stop Signal

HUMAN / NEWS

Helping Cells Read Past a Premature Stop Signal

Some disease-causing mutations interrupt a protein before it is finished. Researchers are exploring a way to help the cell keep reading.

1 min read · Read article
Illustration for A Large Long COVID Trial Found No Antiviral Benefit

HUMAN / NEWS

A Large Long COVID Trial Found No Antiviral Benefit

A plausible explanation for an illness does not automatically produce an effective treatment. RECOVER-VITAL has supplied an important test.

1 min read · Read article
Illustration for A New Brain Atlas Looks Beneath the Diagnosis

HUMAN / NEWS

A New Brain Atlas Looks Beneath the Diagnosis

Millions of cell nuclei offer a closer view of what brain disorders share—and where they differ.

3 min read · Read article
Illustration for Can You Find Your Blind Spot?

HUMAN / PEEK

Can You Find Your Blind Spot?

Make a dot disappear without touching the screen.

2 min read · Take a peek
Illustration for Does a Vivid Memory Have to Be True?

HUMAN / PEEK

Does a Vivid Memory Have to Be True?

A memory can feel sharp even when its details have shifted.

2 min read · Take a peek
Illustration for Your Memory Isn’t a Recording

HUMAN / EXPLORE

Your Memory Isn’t a Recording

Two people can disagree about the same moment—and both genuinely believe their version.

3 min read · Read article
Illustration for You Don’t See the World Exactly as It Is

HUMAN / EXPLORE

You Don’t See the World Exactly as It Is

Your everyday view looks complete. A tiny experiment can reveal something missing.

3 min read · Read article
Illustration for Living Longer—or Staying Younger?

HUMAN / EXPLORE

Living Longer—or Staying Younger?

A longer life and a longer healthy life are related ambitions. They are not the same measure.

3 min read · Read article

HUMAN / PEEK

Why do we age in the first place?

A biological puzzle with more than one moving part.

Take a peek