Agriculture
New Gene Fights Potato Blight
Earth-Friendly Fabrics
Growing Healthier Tomato Plants
Amphibians
Poison Dart Frogs
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Animals
Big Squid
Ultrasonic Frogs Raise the Pitch
A Wild Ferret Rise
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Baby Talk
Homework blues
Between a rock and a wet place
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Nightingales
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Chemistry and Materials
These gems make their own way
Graphene's superstrength
A Framework for Growing Bone
Computers
Games with a Purpose
The hungry blob at the edge of the universe
It's a Small E-mail World After All
Dinosaurs and Fossils
Dinosaur Eggs-citement
Dinosaur Dig
Dino Babies
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
Earth
Undersea Vent System Active for Ages
Pollution at the ends of the Earth
Killer Space Rock Snuffed Out Ancient Life
Environment
Saving Wetlands
Alien Invasions
Indoor ozone stopper
Finding the Past
An Ancient Childhood
Stone Age Sole Survivors
A Long Haul
Fish
Parrotfish
Angler Fish
Sharks
Food and Nutrition
Strong Bones for Life
A Pepper Part that Burns Fat
The mercury in that tuna
GSAT English Rules
Whoever vs. Whomever
Subject and Verb Agreement
Capitalization Rules
GSAT Exam Preparation Jamaica
10 Common Mistakes When Preparing for the GSAT Math Test
Preparing for the GSAT Exam
Tarrant High overcoming the odds
GSAT Exams Jamaica Scholarships
Access denied - Disabled boy aces GSAT
GSAT Practice Papers | GSAT Mathematics | Maths
2014 GSAT Results for Jamaican Kids
GSAT Mathematics
Deep-space dancers
Math is a real brain bender
It's a Math World for Animals
Human Body
Nature's Medicines
Germ Zapper
Heavy Sleep
Invertebrates
Moths
Camel Spiders
Arachnids
Mammals
Ponies
Deers
Rodents
Parents
Children and Media
How children learn
Expert report highlights the importance to parents of reading to children!
Physics
Gaining a Swift Lift
Strange Universe: The Stuff of Darkness
The Particle Zoo
Plants
Sweet, Sticky Science
Underwater Jungles
City Trees Beat Country Trees
Reptiles
Geckos
Snapping Turtles
Cobras
Space and Astronomy
Planning for Mars
The two faces of Mars
Pluto's New Moons
Technology and Engineering
Dancing with Robots
Morphing a Wing to Save Fuel
Squeezing Oil from Old Wells
The Parts of Speech
Adjectives and Adverbs
What is a Preposition?
Problems with Prepositions
Transportation
Tinkering With the Basic Bike
Troubles with Hubble
Reach for the Sky
Weather
Either Martians or Mars has gas
Weekend Weather Really Is Different
Warmest Year on Record
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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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