Chicken Eggs as Drug Factories
Silk’s superpowers
Earth-Friendly Fabrics
Poison Dart Frogs
Assembling the Tree of Life
Killer Flatworms Hunt with Poison
Return of the Lost Limbs
Fish needs see-through head
Contemplating thought
Honeybees do the wave
Flightless Birds
Chemistry and Materials
Nanomagnets Corral Oil
Hitting the redo button on evolution
Atomic Drive
Graphene's superstrength
The solar system's biggest junkyard
Fingerprint Evidence
Dinosaurs and Fossils
A Really Big (but Extinct) Rodent
Big Fish in Ancient Waters
Fingerprinting Fossils
E Learning Jamaica
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Results of GSAT are in schools this week
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Sky Dust Keeps Falling on Your Head
Challenging the Forces of Nature
What is groundwater
City Trees Beat Country Trees
Animal CSI or from Science Lab to Crime Lab
Finding the Past
Settling the Americas
Little People Cause Big Surprise
Digging Up Stone Age Art
Manta Rays
Nurse Sharks
Food and Nutrition
Sponges' secret weapon
The Color of Health
Symbols from the Stone Age
GSAT English Rules
Subject and Verb Agreement
Who vs. Whom
GSAT Exam Preparation Jamaica
How are students placed after passing the GSAT exam
Scotiabank Jamaica Foundation Grade Six Achievement Test (GSAT) Scholarships
Mastering The GSAT Exam
GSAT Exams Jamaica Scholarships
GSAT stars reap scholarship glory
42,000 students will sit for the GSAT Exam in two weeks
Access denied - Disabled boy aces GSAT
GSAT Mathematics
Monkeys Count
It's a Math World for Animals
How to Slice a Cake Fairly
Human Body
Attacking Asthma
Nature's Medicines
Kids now getting 'adult' disease
Sea Lions
The Surprising Meaning and Benefits of Nursery Rhymes
Expert report highlights the importance to parents of reading to children!
Children and Media
Gaining a Swift Lift
IceCube Science
Powering Ball Lightning
Pumping Up Poison Ivy
Farms sprout in cities
Springing forward
Space and Astronomy
Chaos Among the Planets
Pluto, plutoid: What's in a name?
Holes in Martian moon mystery
Technology and Engineering
Musclebots Take Some Steps
Bionic Bacteria
Drawing Energy out of Wastewater
The Parts of Speech
What is a Noun
Adjectives and Adverbs
Problems with Prepositions
Troubles with Hubble
Ready, unplug, drive
Robots on a Rocky Road
Polar Ice Feels the Heat
The Best Defense Is a Good Snow Fence
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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