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Neuroscientists discover the brain’s memory center starts “full” and prunes itself down to optimize learning

A newly discovered developmental process reveals that the brain’s primary memory center starts out with an excess of tangled, random connections that get pruned away to form a highly structured, efficient network as an animal grows. These...

May 22, 2026

Pure Science

All the science news you can handle in a single feed

The Coldest “Stars” in the Galaxy Might Actually Be Alien Megastructures

Webb Studies Star Clusters

Stress impairs your brain’s ability to link memories — dampening insight

AI cracks 80-year-old mathematics challenge — researchers are astonished

Experimental mRNA vaccine may protect against multiple Ebola viruses

Supermassive Black Holes Can Render Exoplanets Uninhabitable at Great Distances

Brain scans shed light on why women develop romantic feelings for AI companions

Upright Walking and Larger Brains May Explain Why 90% of Humans Favor Their Right Hand

Physics explains why gold stays pristine

Why lawyers keep citing fake cases invented by AI

Far side moon photos reveal hidden lunar minerals in brilliant color

Soaring solar and a surge in hydro push more coal off the US grid

Political anger affects the body differently to other forms of anger

STAT+: Congress slashed Medicaid funding to providers. The Trump administration wants to cut even further

Hit a lab project glitch? Thinking about your thesis title like a storyteller can help you focus

Health blame game doesn’t hold water | Brief letters

Keeping NASA Flying: Ground Crews Ensure Aircraft Readiness

The Same Dose of Caffeine Can Hit Some People Harder — and Younger People May be at Higher Risk

Earth’s molten outer core is behaving in chaotic, unexpected ways

Rare Ebola-causing Bundibugyo virus is uniquely challenging to treat. Here’s why

A Life-Size Human Ear, Printed in a Vial of Gel in Two Minutes

Congo prepared for Ebola. Now a rare strain is exposing gaps in readiness

Neuroscientists discover the brain’s memory center starts “full” and prunes itself down to optimize learning

New AI Blood Test Predicts Stroke, Heart Failure, and More up to 15 Years in Advance

The Simple Habit That Could Lower Your Cancer Risk

DeBriefed 22 May 2026: UN adopts landmark resolution | Trump takes on ‘RCP8.5’ | Climate migration

Major Ebola outbreak is escalating: what happens next

NASA to Compete Contract for Jet Propulsion Laboratory Management

Ultrasound aimed at the brain offers new hope for Parkinson’s patients

Jaw-dropping new NASA photo shows the full power of a supermassive black hole

Is Dust the Best Thing in the Universe? Part 3: Tiny Chemistry Labs

The Secret to Living Past 100 May Be Hidden in Your Blood

STAT+: EU and US advisers split over AstraZeneca breast cancer drug

Experts: Why migration is ‘not a failure of adaptation’ in a warming world

Australia is battling its largest diphtheria outbreak in living memory

The Strange Rocks That Could Loosen China’s Grip on Rare Earths

Network Watching Every Ocean Basin Is Closer to Collapse Than Anyone Realized

What is immunotherapy and how does it treat cancer and other conditions?

Span wants to turn homes into mini data centers

You don’t just think about politics, you physically feel it in your body

New Material Could Help NASA Melt Moon Rocks, Harness Lunar Resources

NASA Announces Realignment to Accelerate Mission Delivery

Why the worst foods for weight gain aren’t what you think

A CDC page on mpox caught in political crosshairs

STAT+: Pharmalittle: We’re reading about a Parkinson’s drug setback, a Merck lung cancer therapy, and more

How house design can curb childhood illnesses in Africa

UK government promises £350 million support for the chemicals sector

New T. Rex Was a Sea Monster, and It Was Hiding in Texas Museum Drawers

The Download: coding’s future, the ‘Steroid Olympics,’ and AI-driven science

Daily briefing: Wearable robot could help kids with neuromuscular disease stand