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Treating peanut allergy bit by bit
Where Have All the Bees Gone?
Salamanders and Newts
Bee Heat Cooks Invaders
G-Tunes with a Message
Moss Echoes of Hunting
Baby Talk
The Snappy Lingo of Instant Messages
Math is a real brain bender
Flightless Birds
Chemistry and Materials
Boosting Fuel Cells
Nanomagnets Corral Oil
Supersonic Splash
A New Look at Saturn's rings
New eyes to scan the skies
Earth from the inside out
Dinosaurs and Fossils
Battling Mastodons
Dinosaur Dig
A Really Big (but Extinct) Rodent
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Wave of Destruction
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Swimming with Sharks and Stingrays
Flu river
City Trees Beat Country Trees
Finding the Past
Stone Age Sole Survivors
A Long Trek to Asia
Ancient Cave Behavior
Skates and Rays
Food and Nutrition
Sponges' secret weapon
Symbols from the Stone Age
Moving Good Fats from Fish to Mice
GSAT English Rules
Who vs. That vs. Which
Problems with Prepositions
Finding Subjects and Verbs
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Math of the World
Human Body
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Workouts: Does Stretching Help?
Sea Urchin
Sea Lions
Choosing a Preschool: What to Consider
Children and Media
The Surprising Meaning and Benefits of Nursery Rhymes
Spin, Splat, and Scramble
Einstein's Skateboard
Road Bumps
Underwater Jungles
Making the most of a meal
Stalking Plants by Scent
Box Turtles
Sea Turtles
Snapping Turtles
Space and Astronomy
A Dead Star's Dusty Ring
A Galaxy Far, Far, Far Away
Mercury's magnetic twisters
Technology and Engineering
Slip Sliming Away
Musclebots Take Some Steps
Model Plane Flies the Atlantic
The Parts of Speech
Adjectives and Adverbs
What is a Preposition?
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Reach for the Sky
Are Propellers Fin-ished?
Morphing a Wing to Save Fuel
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Earth's Poles in Peril
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Sleeping Soundly for a Longer Life

You've heard it before: If you know what's good for you, you'll go to bed on time. Now, scientists are saying something more about going to sleep. And you may lose more than just TV privileges if you don't listen. You might end up shaving years off your life. For 19 years, psychologist Mary A. Dew of the University of Pittsburgh School of Medicine and her colleagues tracked 186 healthy elderly adults, who were mostly between 60 and 80 years old. Part of the research involved monitoring brain waves of the people as they slept. At the end of the study, the people who had trouble falling or staying asleep were more likely to die sooner from natural causes compared to those who slept well, the researchers reported. Scientists aren't yet sure why losing sleep might shorten lives. Some experts think sleep deprivation weakens the immune system, making it harder to fight off illnesses. Other studies have linked sleep disorders to heart and brain diseases. The new study focused on older people. But there may be a lesson here for all of us: Work hard, play hard, sleep well. You just might wake up to a longer future.E. Sohn

Sleeping Soundly for a Longer Life
Sleeping Soundly for a Longer Life

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