Middle school science adventures
Treating peanut allergy bit by bit
Keeping Bugs Away from Food
Salamanders and Newts
Frogs and Toads
Color-Changing Bugs
Blotchy Face, Big-Time Wasp
A Tongue and a Half
Seeing red means danger ahead
Why Cats Nap and Whales Snooze
Surprise Visitor
Birds We Eat
Flightless Birds
Chemistry and Materials
Supersonic Splash
Scientist Profile: Wally Gilbert
Picture the Smell
Seen on the Science Fair Scene
Play for Science
Fingerprint Evidence
Dinosaurs and Fossils
Battling Mastodons
Some Dinos Dined on Grass
Dino Babies
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Explorer of the Extreme Deep
Polar Ice Feels the Heat
A Dire Shortage of Water
The Best Defense Is a Good Snow Fence
Ready, unplug, drive
Nanosponges Soak Up Pollutants
Finding the Past
An Ancient Childhood
Of Lice and Old Clothes
Words of the Distant Past
Great White Shark
Food and Nutrition
Symbols from the Stone Age
Allergies: From Bee Stings to Peanuts
The Essence of Celery
GSAT English Rules
Order of Adjectives
Subject and Verb Agreement
GSAT Exam Preparation Jamaica
GSAT stars reap scholarship glory
How are students placed after passing the GSAT exam
Tarrant High overcoming the odds
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A Sweet Advance in Candy Packing
Prime Time for Cicadas
Losing with Heads or Tails
Human Body
A Fix for Injured Knees
The tell-tale bacteria
A New Touch
Camel Spiders
How children learn
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Children and Media
Dreams of Floating in Space
Echoes of a Stretched Egg
Speedy stars
Getting the dirt on carbon
Flower family knows its roots
White fuzzy mold not as friendly as it looks
Box Turtles
Space and Astronomy
A Great Ball of Fire
Cousin Earth
A Dusty Birthplace
Technology and Engineering
Smart Windows
Slip Sliming Away
A Satellite of Your Own
The Parts of Speech
Problems with Prepositions
Countable and Uncountable Nouns
What is a Verb?
Robots on a Rocky Road
Middle school science adventures
Morphing a Wing to Save Fuel
Either Martians or Mars has gas
Recipe for a Hurricane
Where rivers run uphill
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The Birds are Falling

It's time to start paying close attention to birds. That's what a group of scientists and students from Stanford University in California says. A review of data on all of the world's known bird species (nearly 10,000!) has led to a worrisome conclusion. Between 500 and 1,300 bird species will vanish by the year 2100, the researchers predict. As many as 1,050 more will dwindle to such small populations that they'll basically lose their place in the web of life. The birds that are most at risk include scavengers, fish eaters, fruit eaters, and nectar sippers. The scientists based their predictions on information about habitat, diet, and range, among other factors. In the past 500 years, by comparison, only 129 bird species are known to have disappeared. As the birds go, other parts of ecosystems might start falling apart, too. Some bird species, for instance, pollinate only certain types of plants. And these plants might not survive without them. Vultures in Asia provide another example of what can happen when food webs lose their shape. In the past decade, lots of vultures have died after eating carcasses of livestock that had been given medicine. Such drugs keep the animals healthy, but they're poisonous to the birds. As vulture numbers have declined, populations of their competitors have grown in size. This group includes wild dogs that spread disease. Without help for the birds, then, the world might end up looking like a very different place. And we might suffer, too.E. Sohn

The Birds are Falling
The Birds are Falling

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