Learn Something New
Research summaries, fun facts, and pop culture stories to keep your mind engaged.
The ACTIVE Trial: Landmark Study
The ACTIVE Trial (2002) was a landmark study with 2,832 older adults aged 65-94. It found that processing speed training reduced dementia risk by 29% over 10 years. This is why SharpSage emphasizes processing speed exercises like Word Search and Pattern Recognition.
Did you know?
Participants who did memory training showed improved memory that lasted 10+ years after the initial 10 sessions.
Crosswords and Cognitive Decline
A 2018 study published in the Journal of Alzheimer's Disease found that daily crossword engagement was associated with delayed cognitive decline by 2.5 years in 2,844 adults aged 60+. The effect was strongest for verbal fluency and processing speed.
Did you know?
Participants who did crosswords 3+ times per week showed significantly less decline in short-term semantic memory.
What is Cognitive Reserve?
Cognitive reserve is the brain's ability to improvise and find alternative ways of getting a job done. People with higher cognitive reserve can function better even when their brain shows physical signs of aging or disease. Building reserve through daily mental activity is like a retirement fund for your brain.
Did you know?
First described by Dr. Yaakov Stern in 2002, the cognitive reserve concept explains why two people with identical brain scans can have very different cognitive abilities.
The POINTER Study (2025)
The U.S. POINTER study published in JAMA in 2025 showed that structured lifestyle interventions (diet, exercise, and cognitive training) improved cognition in adults 60-77 at risk of cognitive decline. The effect was most pronounced in those who followed the program consistently.
Did you know?
POINTER stands for 'Protect Brain Health Through Lifestyle Intervention' — the largest lifestyle-based dementia prevention study in the U.S.
Processing Speed & Brain Health
Processing speed is one of the first cognitive abilities to decline with age. The ACTIVE trial showed that training processing speed not only improved performance on trained tasks but also reduced the risk of dementia by 29%. That's why every SharpSage exercise engages processing speed.
Did you know?
Processing speed peaks in your early 20s and gradually declines, but regular training can maintain it well into your 80s.
Working Memory: The Brain's Scratchpad
Working memory is the ability to hold and manipulate information for short periods — like remembering a phone number while dialing. It typically holds 5-9 items (the 'magic number 7±2'). Memory Matching games directly target this capacity, strengthening it over time.
Did you know?
The 'magic number 7±2' was discovered by psychologist George Miller in 1956. It's one of the most cited papers in psychology.
Dual Task Training
Dual task training — doing two cognitive tasks at once — engages executive function and attention. Studies show that dual task training can improve real-world multitasking ability and reduce fall risk in older adults by improving cognitive-motor coordination.
Did you know?
The brain uses about 20% of the body's energy despite being only 2% of its weight. Multitasking burns even more!
Neuroplasticity at Any Age
For decades, scientists believed the brain stopped changing after childhood. We now know the brain remains 'plastic' throughout life — it can form new neural connections, strengthen existing ones, and even grow new neurons. This is the scientific foundation for brain training at any age.
Did you know?
London taxi drivers have been shown to have larger hippocampi (the brain's memory center) than average — a result of memorizing London's 25,000 streets.
The Rubik's Cube Craze of 1980
Invented by Hungarian professor Ernő Rubik in 1974, the Rubik's Cube became a global phenomenon in 1980, selling over 350 million units. It remains the best-selling puzzle game of all time.
Did you know?
The current world record for solving a Rubik's Cube is 3.13 seconds, set by Max Park in 2023.
The First Crossword Puzzle
The first crossword puzzle was published in the New York World newspaper on December 21, 1913, created by journalist Arthur Wynne. It was diamond-shaped and had no black squares. Today, crosswords are a multi-million dollar industry.
Did you know?
During World War II, MI6 recruited crossword solvers to break German codes — they placed a puzzle in The Daily Telegraph as a screening test.
TV That Keeps Your Mind Sharp
Shows like Jeopardy!, Wheel of Fortune, and University Challenge have entertained and educated audiences for decades. Studies show that actively engaging with quiz shows (pausing to answer before contestants) provides cognitive stimulation similar to playing trivia games.
Did you know?
Jeopardy! host Alex Trebek hosted 8,244 episodes over 37 years before his passing in 2020.
The Golden Age of Board Games
Board games have been a staple of family entertainment for centuries. Monopoly (1935), Scrabble (1938), and Clue (1949) are classics that engage strategic thinking, vocabulary, and deductive reasoning. Modern games like Ticket to Ride and Catan add new layers of complexity.
Did you know?
Scrabble tiles have different point values based on letter frequency: Q and Z are worth 10 points because they're the rarest.
The Internet Before the Web
Before the World Wide Web, people connected through bulletin board systems (BBS) using dial-up modems. In the 1980s and early 90s, BBSs hosted text-based games, forums, and file sharing at speeds of 300 to 56,000 bits per second. That's 1,000x slower than today's average connection.
Did you know?
The first emoticon :-) was proposed by Carnegie Mellon professor Scott Fahlman in 1982 to mark jokes in online posts.
Then & Now: Music in the 1960s
The 1960s was a transformative decade for music. The Beatles released 13 studio albums between 1963 and 1970. Woodstock in 1969 drew 400,000 people. Vinyl records sold for about $3-5 each ($25-45 in today's money). Today, streaming services give you access to 100 million songs for $10/month.
Did you know?
The Beatles' 'Yesterday' is the most covered song in history with over 2,200 recorded versions.
The Evolution of Photography
From daguerreotypes (1839) to digital cameras (1975) to smartphones (2007), photography has transformed how we capture and share memories. In 2025, an estimated 5.3 billion photos are taken daily — more than the entire 20th century combined.
Did you know?
The first digital camera, invented by Kodak engineer Steven Sasson in 1975, weighed 8 pounds and took 23 seconds to capture a single 0.01 megapixel image.
The Smithsonian: America's Attic
The Smithsonian Institution, founded in 1846 with funding from British scientist James Smithson, now includes 21 museums, 14 education centers, and a zoo. With over 155 million artifacts, it's the largest museum complex in the world — and admission is free.
Did you know?
James Smithson never visited the United States. He left his fortune to 'the United States of America, to found at Washington, an Establishment for the increase and diffusion of knowledge.'
Why Yawning is Contagious
Yawning is contagious because of 'echopraxia' — our brain's automatic imitation of others' behaviors. Studies suggest it's linked to empathy; people with stronger empathy are more likely to catch a yawn.
Did you know?
Dogs can catch yawns from their owners, suggesting cross-species empathy!
The World's Oldest Living Thing
Methuselah, a bristlecone pine tree in California's White Mountains, is 4,856 years old. It was already 2,000 years old when the Roman Empire fell. But the oldest known organism is a clonal colony of quaking aspen in Utah called 'Pando' — estimated at 80,000 years old.
Did you know?
The Pando aspen forest covers 106 acres and weighs 6 million kg, making it the heaviest known organism.
How Color Affects Your Brain
Colors directly impact cognitive function. Blue enhances creative thinking and calm focus. Green improves reading comprehension. Red boosts attention to detail but can reduce creative performance. This is why SharpSage uses Deep Sage (a warm green) as its primary color — it supports both focus and calm.
Did you know?
The 'blue light effect' is real: exposure to blue wavelengths suppresses melatonin production, which is why screens before bed can disrupt sleep.
Your Brain on Music
Listening to music activates multiple brain regions simultaneously: the auditory cortex processes sound, the motor cortex responds to rhythm, and the hippocampus links melodies to memories. This is why songs from your youth can trigger vivid memories — they're encoded in multiple brain areas at once.
Did you know?
Musicians have thicker corpus callosums (the bridge between brain hemispheres) than non-musicians, suggesting music training physically changes brain structure.
The Science of Laughter
Laughter triggers the release of endorphins (the brain's 'feel-good' chemicals), reduces stress hormones like cortisol, and even boosts immune function. A good laugh can burn 10-40 calories and gives your diaphragm and abdominal muscles a workout. It's literally internal jogging.
Did you know?
Adults laugh about 15-20 times per day, while children laugh 300-400 times per day. We should all laugh more!
Why We Dream
Dreams occur primarily during REM (Rapid Eye Movement) sleep, which takes up about 20-25% of an adult's sleep cycle. The leading theory is that dreams help the brain process memories, emotions, and learned information from the day. Some researchers believe dreams simulate potential threats, preparing us for real-world challenges.
Did you know?
You forget 95% of your dreams within 5 minutes of waking up. That's why keeping a dream journal by your bedside helps with dream recall.
Your Brain's GPS System
The brain has its own GPS system, centered in the hippocampus and entorhinal cortex. 'Place cells' fire when you're in a specific location, 'grid cells' map your environment in a hexagonal pattern, and 'time cells' track duration. This is why spatial navigation games are excellent for cognitive health.
Did you know?
The discovery of grid cells and place cells earned John O'Keefe, May-Britt Moser, and Edvard Moser the 2014 Nobel Prize in Physiology or Medicine.
How Much Your Brain Processes
Your brain processes approximately 70,000 thoughts per day. It operates on roughly 20 watts of power (enough to power a dim light bulb) yet performs more calculations per second than the world's most powerful supercomputers. The brain's storage capacity is estimated at 2.5 petabytes — equivalent to 3 million hours of TV.
Did you know?
The human brain can process an image in as little as 13 milliseconds — faster than the blink of an eye (300ms).