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Roving the Red Planet - Roving the Red Planet
Roving the Red Planet
This little robot is a long way from home. Spirit, a remote-controlled rover with six chunky wheels, made its first outing on Mars last week. But Spirit has gotten into trouble. Read More
Dolphins
Dolphins are aquatic mammals related to whales and porpoises, famous for their intelligence, apparent compassion, and joy. The name is from Ancient Greek δελφίς (delphis) meaning "with a womb", viz. "a 'fish' with a womb". Read More
Macaws
Macaws are large colorful New World parrots, classified into six of the many Psittacidae genera: Ara, Anodorhynchus, Cyanopsitta, Propyrrhura, Orthopsittaca, and Diopsittaca. They are the largest birds in the parrot family in length and wingspan. Read More
Labradors
The Labrador Retriever ("Labrador" or "Lab" for short), is one of several kinds of retriever, and is the most popular breed of dog (by registered ownership) in both the United States and the United Kingdom. Read More
Atom Hauler
Atoms are everywhere, but you'd never know it. Even though these tiny building blocks of matter make up everything—from chairs to air—they're far too tiny to see with your own eyes. When scientists want to study atoms one at a time, however, they can use Read More
Manatees
Manatees inhabit the shallow, marshy coastal areas of North, Central, and South America, and the Caribbean Sea. They spend half of their day sleeping in the water, surfacing for air every 20 minutes. Read More
A Family in Space
In a distant region of our solar system, scientists have found a group of related objects that have similar surfaces and orbits. It's the first "family" of objects ever discovered in the Kuiper belt, which is a vast ring of rocky and icy bodies. Read More
Miscellaneous Mammals
Mammals are identified by a combination of warm blood, body fur or hair, and glands that produce milk to feed their young; beyond these few common traits, however, mammals are wildly diverse in shape, size, habitat and behavior. Read More
Shape Shifting
Using a cell phone, you can hear your friend when she calls. With a video camera or picture phone, you can also see her. Read More
A Dead Star's Dusty Ring
In 5 billion years, the sun will swell into a huge ball that will fry Earth or even swallow it up. Our star's outer layers will then fly off, and its core will shrink into a dense, fading object called a white dwarf. 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. Exercises and activities follow. Read More
Little Brown Bats
The Little Brown bat (sometimes called Little Brown myotis) (Myotis lucifugus) is one of the most common bats of North America, a species of the genus Myotis (mouse-eared bats), found throughout the world. Read More
New twists for phantom limbs
Phantom” pain is like a ghost in the body — but it’s anything but imaginary. People who have had an arm or leg amputated can often still feel sensations of the missing limb, even though it’s no longer there. These sensations can be painful, and scientists Read More
Storks
Storks are large, long-legged, long-necked wading birds with long stout bills, belonging to the family Ciconiidae. They occur in most of the warmer regions of the world and tend to live in drier habitats than the related herons, spoonbills and ibises 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
A Smashing Display
Fireworks thrilled viewers all over the United States on the Fourth of July. An even bigger display took place deep in outer space on the same day. Read More
Fishing for Giant Squid
Stories of giant sea monsters have terrified people since ancient times. Some of the scariest tales involve a gargantuan squid that attacks boats and snares sailors with its gnarly tentacles. Over the years, the long-armed creatures have gained mythical Read More
How to Slice a Cake Fairly
Sharing can be hard. Every kid knows that, and mathematicians do, too. So mathematicians have spent a lot of time thinking about how to make sharing easier. Read More
Sounds of Titan
Visiting a mysterious, alien world is usually just the stuff of dreams or science fiction stories. For many scientists around the world, the dream came true last month when a space probe touched down for the first time on the surface of Saturn's moon Read More
Termites
Although sometimes called "white ants", termites only superficially resemble ants; the name is probably due to their similar size and social habits. Termites have biting mouthparts and their soft bodies are small, rarely over 10 mm in length. Read More
Sticking Around with Gecko Tape
In the movie Spider-Man, actor Tobey Maguire makes climbing up walls and hanging out on the ceiling look easy—thanks to special effects. In future movies, though, actors and stunt doubles might really be able to crawl along walls and ceilings. All they'll Read More
Walrus
Walruses are members of the order Carnivora and suborder (or alternatively superfamily) Pinnipedia. They are the only members in the family Odobenidae. Read More
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A Very Distant Planet Says "Cheese"
Distant planets tend to be pretty camera-shy. Astronomers have found evidence of more than 125 planets around other stars in the universe, but no one has ever seen one directly. ... Read More
Hair Detectives
You can tell a lot about people by looking at their hair—and not just whether they brush, spray, or blow-dry. Scientists have found a way to use hair to figure out where a person is from and where th... Read More
Mice sense each other's fear
You can usually tell when people are afraid just by the look on their faces. Mice can tell when other mice are afraid too. But instead of using their beady little eyes to detect fear in their fellows,... Read More
Oxen
Oxen (plural of ox) are cattle trained as draft animals. Often they are adult, castrated males. Usually an ox is over four years old due to the need for training and for time to grow to full size. ... Read More
It's a Small E-mail World After All
We're all connected. You can send an e-mail message to a friend, and your friend can pass it on to one of his or her friends, and that friend can do the same, continuing the chain. Eventually, your me... Read More
Raise a Lifelong Reader by Reading Aloud By Pam Allyn
Raise a lifelong lover of books with these tips for reading aloud.... Read More
Plastic-munching microbes
er guzzling down a pint of water, soda or a sports drink, most people toss the empty bottle in the recycle bin without a second thought. After all, if it's getting recycled, something useful will come... Read More
Planning for Mars
Forget the moon: We’re headed to Mars. That’s one message President Obama delivered on April 15, during a speech about the future of the U.S. space program.... Read More
In Antarctica watch the heat (and your step)
The tortures of Antarctica include not only cold, but also heat. I discovered it nearly every morning. As I woke in my tiny tent, in the middle of a million square miles of ice, I struggled to get my... Read More
Oldest Writing in the New World
You don't normally expect anything exciting to happen while building a road. But, several years ago, road builders in southern Mexico found a large stone slab covered with marks. ... Read More
Project Music
Music can make or break a party. It can also improve your health, your driving, and your math and physics skills, according to some of the projects at this year's Intel International Science and Engin... Read More
Pluto's New Moons
The first time that you learn about the planets, it all seems so simple. There are nine of them, including Earth. All orbit the sun. Then, you learn about moons, and things get a little more complicat... Read More
Seal
The true seals or earless seals are one of the three main groups of mammals within the seal suborder, Pinnipedia. All true seals are members of the family Phocidae. ... Read More
