Springing forward
Keeping Bugs Away from Food
Fast-flying fungal spores
Poison Dart Frogs
Frogs and Toads
Hot Pepper, Hot Spider
Deep Krill
Chicken Talk
Swedish Rhapsody
When Darwin got sick of feathers
The (kids') eyes have it
Chemistry and Materials
Sticking Around with Gecko Tape
The science of disappearing
Smelly Traps for Lampreys
Small but WISE
Games with a Purpose
Middle school science adventures
Dinosaurs and Fossils
Dino-Dining Dinosaurs
Early Birds Ready to Rumble
Feathered Fossils
E Learning Jamaica
Results of GSAT are in schools this week
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
2014 GSAT Results for Jamaican Kids
Slower Growth, Greater Warmth
Unnatural Disasters
A Global Warming Flap
Lessons from a Lonely Tortoise
Easy Ways to Conserve Water
A Stormy History
Finding the Past
Writing on eggshells
The Taming of the Cat
Settling the Americas
White Tip Sharks
Food and Nutrition
The Essence of Celery
Chew for Health
Turning to Sweets, Fats to Calm the Brain
GSAT English Rules
Problems with Prepositions
Order of Adjectives
Finding Subjects and Verbs
GSAT Exam Preparation Jamaica
GSAT stars reap scholarship glory
Ministry of Education Announces 82 GSAT Scholarships for 2010
10 Common Mistakes When Preparing for the GSAT Math Test
GSAT Exams Jamaica Scholarships
Access denied - Disabled boy aces GSAT
GSAT stars reap scholarship glory
Results of GSAT are in schools this week
GSAT Mathematics
How a Venus Flytrap Snaps Shut
Math of the World
Losing with Heads or Tails
Human Body
Sleeping Soundly for a Longer Life
A Better Flu Shot
Taking the sting out of scorpion venom
Polar Bear
African Hyenas
Choosing a Preschool: What to Consider
Raise a Lifelong Reader by Reading Aloud
The Surprising Meaning and Benefits of Nursery Rhymes
Strange Universe: The Stuff of Darkness
Project Music
Spin, Splat, and Scramble
Pumping Up Poison Ivy
Nature's Alphabet
Farms sprout in cities
Snapping Turtles
Garter Snakes
Space and Astronomy
A Darker, Warmer Red Planet
Supernovas Shed Light on Dark Energy
No Fat Stars
Technology and Engineering
Squeezing Oil from Old Wells
Machine Copy
Model Plane Flies the Atlantic
The Parts of Speech
What is a Noun
What is a Preposition?
Countable and Uncountable Nouns
Morphing a Wing to Save Fuel
Charged cars that would charge
Where rivers run uphill
Catching Some Rays
Either Martians or Mars has gas
Watering the Air
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Quick Quake Alerts

The ground shakes. Dishes fall off shelves. Houses collapse. Cars topple over bridges. Every year, earthquakes destroy homes and schools, and they kill many thousands of people around the world. Even scarier, it's impossible to know exactly when and where the next one will strike. A system of detectors in Los Angeles might be able to warn that an earthquake is coming, according to a new analysis. Even if the alarm comes only a few seconds before the quake, the system could save lives. Earthquakes cause a few different kinds of underground vibrations. One kind are called P waves, which travel quickly through Earth and rarely cause damage. The S waves that follow are more dangerous. They travel half as fast and shake the ground from side to side. Richard M. Allen of the University of Wisconsin-Madison and his colleagues analyzed ground motions from 53 fairly strong earthquakes that have struck Los Angeles since 1995. By looking at the first few seconds of a quake’s P wave, they found they could predict how big the oncoming S wave would be. Using detectors already in place throughout Los Angeles could give residents at least a few seconds warning that a quake is coming, Allen suggests. That wouldn’t be enough time to run away. But a siren or Internet message could save lives by giving people time to shut off power and stop trains. Kids in school could dive under their desks. The system wouldn’t make earthquakes any less scary, but at least you’d know what was coming!—E. Sohn

Quick Quake Alerts
Quick Quake Alerts

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