Intelligence News

January 3, 2026

Top Headlines

Scientists Reverse Alzheimer’s in Mice and Restore Memory

Dec. 24, 2025 Alzheimer’s has long been considered irreversible, but new research challenges that assumption. Scientists discovered that severe drops in the brain’s energy supply help drive the disease—and restoring that balance can reverse damage, even in ...

Helping Others for a Few Hours a Week May Slow Brain Aging

Dec. 19, 2025 Spending a few hours a week helping others may slow the aging of the brain. Researchers found that both formal volunteering and informal acts, like helping neighbors or relatives, were linked to noticeably slower cognitive decline over time. The ...

Neurons Aren’t Supposed to Regrow but These Ones Brought Back Vision

Dec. 19, 2025 After injury, the visual system can recover by growing new neural connections rather than replacing lost cells. Researchers found that surviving eye cells formed extra branches that restored communication with the brain. These new pathways worked ...

The Brain Switch That Could Rewrite How We Treat Mental Illness

Dec. 13, 2025 Scientists exploring how the brain responds to stress discovered molecular changes that can influence behavior long after an experience ends. They also identified natural resilience systems that help protect certain individuals from harm. These ...

Stressed Rats Keep Returning to Cannabis and Scientists Know Why

Dec. 11, 2025 Rats with naturally high stress levels were far more likely to self-administer cannabis when given access. Behavioral testing showed that baseline stress hormones were the strongest predictor of cannabis-seeking behavior. Lower cognitive flexibility ...

Rising Temperatures Are Slowing Early Childhood Development

Dec. 10, 2025 Researchers discovered that unusually high temperatures can hinder early childhood development. Children living in hotter conditions were less likely to reach key learning milestones, especially in reading and basic math skills. Those facing ...

Scientists Uncover the Brain’s Hidden Learning Blocks

Nov. 28, 2025 Princeton researchers found that the brain excels at learning because it reuses modular “cognitive blocks” across many tasks. Monkeys switching between visual categorization challenges revealed that the prefrontal cortex assembles these blocks ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver strain and elevated neurofilament light chain, a ...

A Simple DNA Test Could Reveal the Right Antidepressant for You

Nov. 9, 2025 Millions struggle with depression and anxiety, often enduring long waits for effective treatment. Scientists in Sweden, Denmark, and Germany are developing a genetic test to predict which medications will actually work. Using polygenic risk scores, ...

Scientists May Have Found How to Reverse Memory Loss in Aging Brains

Nov. 5, 2025 Virginia Tech researchers have shown that memory loss in aging may be reversible. Using CRISPR tools, they corrected molecular disruptions in the hippocampus and amygdala, restoring memory in older rats. Another experiment revived a silenced memory ...

Your IQ May Determine How Well You Hear in a Crowd

Oct. 29, 2025 New research reveals that intelligence plays a key role in how well people process speech in noisy environments. The study compared neurotypical and neurodivergent individuals and found that cognitive ability predicted performance across all groups. ...

Scientists Reversed Brain Aging and Memory Loss in Mice

Oct. 23, 2025 Cedars-Sinai researchers created “young” immune cells from human stem cells that reversed cognitive decline and Alzheimer’s symptoms in mice. The treated animals showed better memory and healthier brain structures. The cells seemed to protect ...

Latest Headlines

updated 6:11am EST

A Hidden Brain Problem May Be an Early Warning for Alzheimer’s

Jan. 3, 2026 Researchers discovered that clogged brain “drains” show up early in people at risk of Alzheimer’s disease. These blockages, easily seen on standard MRI scans, are tied to toxic protein buildup ...

Why Consciousness Can’t Be Reduced to Code

Dec. 24, 2025 The familiar fight between “mind as software” and “mind as biology” may be a false choice. This work proposes biological computationalism: the idea that brains compute, but not in the ...

Why Consciousness Exists at All

Dec. 15, 2025 Consciousness evolved in stages, starting with basic survival responses like pain and alarm, then expanding into focused awareness and self-reflection. These layers help organisms avoid danger, learn ...

These Simple Habits Could Make Your Brain 8 Years Younger, Study Finds

Dec. 15, 2025 New research shows that your brain’s “true age” can shift dramatically depending on how you live, with optimism, restorative sleep, stress management, and strong social support acting like ...

New Research Reveals How Everyday Cues Secretly Shape Your Habits

Dec. 10, 2025 Researchers uncovered how shifting levels of a brain protein called KCC2 can reshape the way cues become linked with rewards, sometimes making habits form more quickly or more powerfully than ...

Why Some Memories Last a Lifetime While Others Fade Fast

Nov. 30, 2025 Scientists have uncovered a stepwise system that guides how the brain sorts and stabilizes lasting memories. By tracking brain activity during virtual reality learning tasks, researchers identified ...

A Breakthrough Map Reveals How the Brain Really Works

Nov. 5, 2025 Scientists have shown that brain connectivity patterns can predict mental functions across the entire brain. Each region has a unique “connectivity fingerprint” tied to its role in cognition, ...

Walking May Be the Brain’s Best Defense Against Alzheimer’s

Nov. 4, 2025 Walking a few thousand steps daily may help hold off Alzheimer’s for years, a Mass General Brigham study found. Even moderate physical activity slowed both cognitive decline and the buildup of ...

Scientists Find Mind Trick That Unlocks Lost Memories

Nov. 3, 2025 Researchers found that embodying a digital, childlike version of one’s own face helps unlock vivid childhood memories. This illusion strengthens the connection between bodily self-perception and ...

Running Fixes What Junk Food Breaks in the Brain

Oct. 21, 2025 New research reveals that exercise counteracts the mood-damaging effects of a Western-style diet through specific gut and hormonal mechanisms. Running restored metabolites tied to mental well-being ...

Science Says We’ve Been Nurturing “gifted” Kids All Wrong

Dec. 21, 2025 A major international review has upended long-held ideas about how top performers are made. By analyzing nearly 35,000 elite achievers across science, music, chess, and sports, researchers found that ...

Brain Fog During Menopause? Here’s What’s Really Going on

Oct. 21, 2025 Menopause brings profound shifts not just in hormones but in the very structure of the brain. Scientists have found that gray matter in regions tied to memory and thinking can shrink, while white ...

This 100-Year-Old Teaching Method Is Beating Modern Preschools

Jan. 1, 2026 A first-of-its-kind national trial shows that public Montessori preschool students enter kindergarten with stronger reading, memory, and executive function skills than their peers. These gains ...

Why the Brain’s GPS Fails With Age, and How Some Minds Defy It

Oct. 5, 2025 Stanford scientists found that aging disrupts the brain’s internal navigation system in mice, mirroring spatial memory decline in humans. Older mice struggled to recall familiar locations, while a ...

A Century-Old Piano Mystery Has Just Been Solved

Oct. 2, 2025 Scientists confirmed that pianists can alter timbre through touch, using advanced sensors to capture micro-movements that shape sound perception. The discovery bridges art and science, promising ...

Feeling Stressed? Science Finds a Simple Way to Take Back Control

Oct. 20, 2025 Feeling in control may be the key to conquering daily stress. Penn State researchers found that people were 62% more likely to resolve everyday hassles on days when they felt greater control. This ...

How the Brain Decides Which Moments You’ll Never Forget

Sep. 27, 2025 Boston University researchers found that ordinary moments can gain staying power if they’re connected to significant emotional events. Using studies with hundreds of participants, they showed that ...

Dogs Can Tell How Toys Work Without Any Training

Sep. 23, 2025 Gifted dogs can categorize toys by function, not just appearance. In playful at-home tests, they linked labels like “fetch” and “pull” to toys—even ones they’d never seen before. The ...

Scientists Reveal the Everyday Habits That May Shield You from Dementia

Sep. 21, 2025 New studies reveal that lifestyle changes—such as exercise, healthy eating, and social engagement—can help slow or prevent cognitive decline. Experts say this low-cost, powerful approach could ...

Stress Measured in Hair Could Predict Depression and Anxiety in Children

Sep. 16, 2025 Researchers from the University of Waterloo discovered that measuring long-term stress through children’s hair samples can reveal early signs of mental health risks in those living with chronic ...

Scientists Find Brain Circuit That Traps Alcohol Users in the Vicious Cycle of Addiction

Oct. 6, 2025 Addiction often isn’t about chasing pleasure—it’s about escaping pain. Researchers at Scripps Research have discovered that a tiny brain region called the paraventricular nucleus of the ...

Junk Food Can Scramble Memory in Just 4 Days

Sep. 29, 2025 Scientists discovered that high-fat junk food disrupts memory circuits in the brain almost immediately. Within just four days, neurons in the hippocampus became overactive, impairing memory. ...

Sleepless Nights May Raise Dementia Risk by 40%, Mayo Clinic Reveals

Sep. 14, 2025 Chronic insomnia may do more than leave you groggy, it could speed up brain aging. A large Mayo Clinic study found that people with long-term sleep troubles were 40% more likely to develop dementia ...

Scientists Suggest the Brain May Work Best With 7 Senses, Not Just 5

Oct. 8, 2025 Scientists at Skoltech developed a new mathematical model of memory that explores how information is encoded and stored. Their analysis suggests that memory works best in a seven-dimensional ...

Simple Blood Test Could Spot Alzheimer’s Years Before Symptoms

Sep. 9, 2025 Scientists discovered that certain blood proteins linked to brain injury and inflammation strongly correlate with early signs of memory and cognitive decline, especially in Hispanic and Latino ...

Sweeteners in Diet Drinks May Steal Years from the Brain

Sep. 4, 2025 A large Brazilian study following more than 12,000 middle-aged adults found that those consuming the most artificial sweeteners—commonly found in diet sodas, flavored waters, and processed ...

A 3-Minute Brainwave Test Could Spot Alzheimer’s Years Before Symptoms

Sep. 4, 2025 Scientists at the University of Bath have developed a simple three-minute brainwave test called Fastball EEG that can detect memory problems years before Alzheimer’s is typically diagnosed. Unlike ...

The Midlife Crisis Is Over, but Something Worse Took Its Place

Sep. 2, 2025 Once a universal feature of human psychology, the “unhappiness hump” in midlife has disappeared, replaced by a new trend: mental health is worst in youth and improves with age. Data from the ...

9 in 10 Australian Teachers Are Stressed to Breaking Point

Aug. 26, 2025 Australian teachers are in crisis, with 9 in 10 experiencing severe stress and nearly 70% saying their workload is unmanageable. A major UNSW Sydney study found teachers suffer depression, anxiety, ...

These 80-Year-Olds Have the Memory of 50-Year-Olds. Scientists Finally Know Why

Oct. 19, 2025 SuperAgers defy normal aging by keeping sharp memories and healthy brains well into their 80s. Northwestern scientists discovered that these individuals either resist the buildup of harmful brain ...