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A Butterfly's New Green Glow - A Butterfly's New Green Glow
A Butterfly's New Green Glow
The colorful patterns on a butterfly's wings can be mysterious and beautiful. Add a jellyfish gene to a butterfly's genetic makeup, and the result might be even more awe-inspiring. The jellyfish gene directs production of a chemical compound that glows g Read More
Iguanas
Iguanas tend to have tall, flat plates jutting from their back like spines, when adult. Several species of this genus are common as pets, especially the Green Iguana in the United States and Canada, which can easily grow to six feet long. Read More
Capybaras
The capybara, Hydrochoerus Hydrochaeris, is a semi-aquatic rodent of South America. It weighs about 40 kg (hundred pounds) , and is about .6 meters (2 feet) tall at the shoulder. It is the largest rodent. Read More
Dino Babies
Some dinosaurs needed babysitters, too Scientists have recently analyzed the oldest dinosaur eggs ever discovered with embryos still inside. The study suggests that the dinos couldn't take care of themselves when they first hatched, say the researchers, Read More
Shrimpy Invaders
A new type of shrimplike crustacean has appeared in the Great Lakes, and that's not necessarily a good thing. These crustaceans, called mysid shrimp, normally live in rivers near the western coast of the Caspian Sea in eastern Europe. Read More
Babies Prove Sound Learners
It can be hard to know what newborns want. They can't talk, walk, or even point at what they're thinking about. Yet babies begin to develop language skills long before they begin speaking, according to recent research. And, compared to adults, they devel Read More
Building a Food Pyramid
It's lunchtime, and you're hungry. You have two choices. You can eat whole-grain rice, a big heap of steamed broccoli, and a grilled, skinless chicken breast. Or you can have french fries, a cheeseburger, and a chocolate milkshake. Read More
A Framework for Growing Bone
If you've ever broken a bone, you know what a pain the healing process can be. You may end up wearing a cast for weeks, aching and itching as you wait for the fractured bone to get better. In cases of severe bone damage, surgeons sometimes take bone from Read More
A Classroom of the Mind
You're sitting at your desk. A teacher is writing on the chalkboard. A bus rumbles past the window. Kids are yelling in the playground outside. A paper airplane whizzes overhead. The school principal steps into the room, looks around, and walks out. A boo Read More
Professor Ant
If you haven't appreciated your teachers lately, now might be a good time to reflect on all that they do for you. Good teachers already know the information that they're teaching, but they slow down to explain it to you. With their help, you learn far fa Read More
Spitting Up Blobs to Get Around
The tiny bugs that can cause disease often have ingenious ways of spreading themselves around. Now, scientists have figured out how one particular parasite does it—by forcing its host sand fly to spit up. Read More
Wake Up, Sleepy Gene
Some people can stay up all night and still get work done the next day. I'm not one of them. After a night without enough sleep, I feel cranky. I have trouble remembering things. And all I want to do is crawl back into bed and snooze. How do you feel aft Read More
Reach for the Sky
If you could travel anywhere you wanted this winter, where would you go? Would you ski in the mountains, visit friends or family in another state, or lie on a tropical beach somewhere? Read More
A Meal Plan for Birds
If you want to make waffles for breakfast, you have to plan ahead. First, you need to stock up on ingredients at the grocery store. Then, you need to mix the batter and remember where you stashed the waffle iron. Birds don't make waffles, but the results Read More
Watery Fate for Nature's Gliders
Talk about winging it. The albatross is an amazing glider. In windy weather, these ocean birds can stay airborne for hours without flapping their enormous wings. They've been known to follow ships for days to feed on garbage. Today, there are about 17 sp Read More
The Snappy Lingo of Instant Messages
It would sound silly to say these words out loud, and you wouldn't write like this in a school report. Still, the conversation made perfect sense when Gale and Sally fired it off to each other on their computers. Read More
Bears
Bears are among the largest carnivores, characterized by stocky bodies, short tails, long, square snouts, and round ears. North American bears are common to wooded areas, where streams can provide an opportunity to fish year round. Read More
Taking the sting out of scorpion venom
About as long as a human finger, the Arizona bark scorpion is small enough that most people probably don’t even notice it. Unless they happen to step on one — and that’s a different story. Read More
Mini T. rex
Among dinosaurs, Tyrannosaurus rex may be the most familiar. At 20 feet tall and twice that long from snout to tail, this beast was no doubt a scary sight to any smaller animals that crossed its path. It had a large head, strong legs and tiny arms, and T. Read More
A Star's Belt of Dust and Rocks
Between Mars and Jupiter, a band of rocks and dust orbits our sun. Astronomers call it the asteroid belt, and they think that it contains scraps of rock left over from a time when the planets formed nearly 5 billion years ago. Read More
Preserving Ancient Warrior Paint
Unearthing the distant past is one thing. Preserving it is another. Chemistry can be part of the answer. Over the last 30 years, archaeologists have dug up more than a thousand, life-size warrior statues buried next to an ancient tomb in China Read More
Eyes on the Depths
In Alice in Wonderland, a girl named Alice slides down a rabbit hole into a bizarre world that seems perfectly normal to the animals living there. But Wonderland is so different from the world above that Alice has a horrible time understanding it. Scient Read More
Gut Microbes and Weight
Health experts have long worried about the increasing rate of obesity in kids. It's an important concern: Being very overweight or obese during childhood can lead to serious problems normally seen in adults, such as diabetes and high blood pressure. Read More
A Global Warming Flap
Florian Altermatt likes to chase butterflies, but he’s also a scientist who thinks that butterflies might have something to tell us about the effects of global warming. Altermatt is an ecologist — a scientist who studies how creatures interact with their Read More
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The Mirror Universe of Antimatter
Had a fight with your parents or a bad day at school? Wouldn't it be nice to step through a mirror to enter a different, yet somehow familiar world on the other side? ... Read More
To Catch a Dragonfly
Dragonflies date back at least 250 million years, says Daniel Soluk, an ecologist at the University of South Dakota in Vermillion. Alongside dinosaurs, they flitted across the prehistoric landscape on... Read More
Scallops
Scallops are the family Pectinidae of bivalve molluscs. Like the true oysters, they have a central adductor muscle, and thus their shells have a characteristic central scar marking its point of attach... Read More
Workouts: Does Stretching Help?
Touch your toes. Reach for the sky. Twist from side to side. If you've ever played on a sports team or gone to gym class, you probably know the drill. First, you do some warmups. Then you stretch. Exe... Read More
The memory of a material
Nafion is a useful material that has been around since the 1960s, but don’t be surprised if you’ve never heard of it. It was first made by a chemist at DuPont, a company that makes chemicals, and it i... Read More
Wrong-way planets do gymnastics
Cartwheels aren’t just for gymnasts anymore — a gang of distant, unusual planets, a team of astronomers say, may have done giant, deep-space cartwheels to get into place.... Read More
Cape Buffalo
The African buffalo or Cape buffalo (Syncerus caffer) is a bovid from the family of the Bovidae. It is up to 1.7 meters high, 3.4 meters long, and can reach a weight of 900 kilograms... Read More
Access denied - Disabled boy aces GSAT By COREY ROBINSON Sunday Observer staff reporter
WHEN the Michaelmas term starts tomorrow wheelchair-bound Jevan Wright won't be going off to high school despite successfully attaining a space based on his performance in the Grade Six Achievement T... Read More
Gliders in the Family
Watching monkeys at the zoo can be fascinating because the animals' actions are so similar to those of people. Along with gorillas, orangutans, lemurs, and others, monkeys belong to a group of mammals... Read More
Either Martians or Mars has gas
Cows and Mars have at least one thing in common — methane. Like flatulent (or farting) cows that produce the gas, the Red Planet releases clouds of methane, according to a recent study. ... Read More
Remembering Facts and Feelings
Can you describe everything you did last weekend, but you can't remember a thing from last year's social studies class? The difference may be all in your head. ... Read More
Weasels
Weasels are mammals in the genus Mustela of the Mustelidae family. Originally, the name "weasel" was applied to one species of the genus, the European form of the Least Weasel. ... Read More
A Living Fossil
Imagine going to the museum to see fossils of animals that scientists thought had become extinct millions of years ago. Then, imagine walking outside and seeing one of this family of animals scurrying... Read More
Bright Blooms That Glow
The screaming pinks, blazing oranges, neon reds, and acid greens of many posters and signs owe their brightness to the way those materials are affected by light. ... Read More
Night of the living ants
When an ant dies, other ants move the dead insect out of the nest. Sometimes, the dead ant gets moved away very soon — within an hour of dying. This behavior is interesting to scientists, who wonder h... Read More