Health and life sciences

Health and life sciences coverage including genetics, neuroscience, drug discovery, evolution, and how living systems work at every scale.

27 Articles
Illustration of a fantasy landscape with brain with various numbers flying around it.
Health and life sciencesScience Explorer

Why Some Kids Find Math Hard

Stanford researchers find math-struggling children process errors differently in their brains, suggesting interventions should target metacognition, not just number sense.

Two brains battling
Health and life sciencesScience Explorer

Two Major Theories of Consciousness Unable To Explain Awareness

Neither dominant explanation survived the most rigorous test in the field's history. That may be exactly what neuroscience needed.

pet grief can rival grief for humans
Health and life sciencesScience Tracker

Pet Grief Is Real. Society Still Doesn't Believe It.

New research reveals pet grief can rival human loss - yet society still dismisses it as illegitimate.

Illustration showing an abstract image of a family walking in a rice field.
Health and life sciencesScience Tracker

Rice Price Crisis 25 Years Ago Still Hurts The Children

When Indonesia's economic crisis skyrocketed 25 years ago, parents chose alternative foods which hurt children for decades.

A mouse looking at his own memories in a fantasy landscape.
Health and life sciencesScience Tracker

Scientists Can Now Rewrite Memories in Living Brains

Researchers have figured out how to implant false memories, delete real ones, and swap emotional responses between events - in mice.

Brain Cells That Glow Like Fireflies Crack a Long-Standing Imaging Puzzle
Health and life sciencesScience Tracker

Brain Cells That Glow Like Fireflies Crack a Long-Standing Imaging Puzzle

Scientists just made neurons bright enough to watch individual brain cells fire - without lasers, fiber optics, or light damage.

Abstract illustration showing two figures walking on a DNA bridge, molecules in the background.
Health and life sciencesScience Tracker

Your Intelligence Comes From Genes, Experience - and Molecular Switches

Epigenetic marks guide neurons during development and keep rewiring your brain throughout life. Neither genes nor environment win.

Three Hidden Skills Let Your Brain Decode What People Really Mean
Health and life sciencesScience Tracker

Three Hidden Skills Let Your Brain Decode What People Really Mean

MIT researchers tested 800 people and found pragmatic language ability splits into three distinct clusters of inference.

A Brain Cell That Always Knows Which Way You're Facing
Health and life sciencesScience Tracker

A Brain Cell That Always Knows Which Way You're Facing

Scientists found a neuron that tracks your direction whether you're sitting still or running–and losing it may explain Alzheimer's disorientation.

Surgeon operating on a cancer patient, cancer cells clearly visible.
Health and life sciencesScience Explorer

The 'Impossible' LED That Could Change Cancer Surgery

Organic molecules 'whisper' energy into insulating nanoparticles, opening a path to sharper surgical imaging in the infrared.