Agriculture
Growing Healthier Tomato Plants
Making the most of a meal
Fast-flying fungal spores
Amphibians
Salamanders
Toads
Bullfrogs
Animals
Bee Disease
Bee Heat Cooks Invaders
Poor Devils
Behavior
Girls are cool for school
Wired for Math
The Science Fair Circuit
Birds
Parrots
Backyard Birds
Finches
Chemistry and Materials
Putting the Squeeze on Toothpaste
Cooking Up Superhard Diamonds
A New Basketball Gets Slick
Computers
Toxic Dirt + Avian Flu = Science Fair Success
Hitting the redo button on evolution
Electronic Paper Turns a Page
Dinosaurs and Fossils
Middle school science adventures
An Ancient Feathered Biplane
A Big, Weird Dino
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2014 GSAT Results for Jamaican Kids
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Earth
Flower family knows its roots
Unnatural Disasters
Hints of Life in Ancient Lava
Environment
Antarctica warms, which threatens penguins
Pollution Detective
Indoor ozone stopper
Finding the Past
Little People Cause Big Surprise
Writing on eggshells
Watching deep-space fireworks
Fish
Mahi-Mahi
Goldfish
Manta Rays
Food and Nutrition
Making good, brown fat
Allergies: From Bee Stings to Peanuts
Packing Fat
GSAT English Rules
Adjectives and Adverbs
Whoever vs. Whomever
Order of Adjectives
GSAT Exam Preparation Jamaica
March 21-22, 2013: Over 43,000 students will take the GSAT Exam
Ministry of Education Announces 82 GSAT Scholarships for 2010
GSAT Exam Preparation
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GSAT Practice Papers | GSAT Mathematics | Maths
Access denied - Disabled boy aces GSAT
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Deep-space dancers
Math of the World
Human Body
Nature's Medicines
Football Scrapes and Nasty Infections
Walking to Exercise the Brain
Invertebrates
Bees
Sponges
Crustaceans
Mammals
Porcupines
Hoofed Mammals
Hamsters
Parents
Children and Media
The Surprising Meaning and Benefits of Nursery Rhymes
Choosing a Preschool: What to Consider
Physics
Invisibility Ring
Powering Ball Lightning
Electric Backpack
Plants
A Giant Flower's New Family
Assembling the Tree of Life
Fast-flying fungal spores
Reptiles
Iguanas
Chameleons
Lizards
Space and Astronomy
Rover Makes Splash on Mars
Gravity Tractor as Asteroid Mover
An Icy Blob of Fluff
Technology and Engineering
Weaving with Light
Bionic Bacteria
Squeezing Oil from Old Wells
The Parts of Speech
What is a Noun
Pronouns
What is a Preposition?
Transportation
Are Propellers Fin-ished?
Morphing a Wing to Save Fuel
Troubles with Hubble
Weather
Arctic Melt
Science loses out when ice caps melt
In Antarctica watch the heat (and your step)
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Cousin Earth

As their search continues, astronomers are finding more and more planets orbiting nearby stars. This time, they've detected a solid planet that's just 15 light-years from Earth. Many details about the planet remain unknown because the astronomers didn't see it directly. Instead, they were able to detect how the planet's gravity makes its star wobble a little bit. Out of 156 planets discovered so far in other solar systems, the new extrasolar planet is the smallest one yet found. It's about 7.5 times heavier than Earth. Along with two, much bigger planets, the new world orbits a star called Gliese 876. The planet takes just 1.9 days to complete an orbit around Gliese 876. So, its year is much, much shorter than ours. It's so close to its star that its surface is hot enough to roast a chicken. Most extrasolar planets that have been found so far are big balls of gas, like Jupiter and Saturn. Because the planet's mass is low, it probably couldn't hold onto much gas. So, scientists suspect that it's rocky. "This could be the first [known] rocky planet around any normal star other than the sun," says team member Jack Lissauer of NASA's Ames Research Center in Mountain View, Calif. Scientists are still trying to figure out how rocky planets might form so close to their stars. Whatever the answer, the new discovery gives researchers confidence that they will one day find even closer cousins to Earth somewhere in the universe. And, on a planet resembling Earth, they might also discover traces of life as we know it.E. Sohn

Cousin Earth
Cousin Earth








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