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Revenge of the Cowbirds - Revenge of the Cowbirds
Revenge of the Cowbirds
Cowbirds are famous for their wily ways. These North American birds sneak into the nests of other birds, lay their eggs, and quickly escape before the owners return. They don't do any of the hard work it takes to raise chicks. Read More
Robots on a Rocky Road
Here's the challenge. Design a vehicle that can travel 142 miles across the desert between Los Angeles and Las Vegas. Your invention will have to stop at a number of checkpoints along the way, and it'll be racing more than a dozen other vehicles. Read More
Killers from Outer Space
It happened to the dinosaurs. It could happen to us. At any moment, a giant chunk of rock could come screaming down from outer space to slam into Earth. Such an impact very likely killed off the dinosaurs 65 million years ago. Read More
Falcons
A Falcon is any of several species of bird of the genus Falco, such as the Peregrine Falcon which are raptors or birds of prey. These birds have thin, pointed wings, which allow them to dive at extremely high speeds. Read More
Cold, colder and coldest ice
Most people know what happens at 0º Celsius (or 32 º Fahrenheit): Water freezes. When the temperature outside is below freezing, for example, a rain storm may become a blizzard of snow. A glass of water left in the freezer eventually becomes a glass of ic Read More
Sweet, Sticky Science
Real maple syrup sweetens even the dullest breakfast, and it's no mystery why. The sticky stuff you pour on your pancakes is at least two-thirds sugar. Read More
Honeybees do the wave
When a buzzing hornet comes near, most people want to run away as quickly as possible. But if the hornet targets your home, you will need to find a way to shoo it away. Fortunately, hornets generally don’t target people’s homes. In southern Asia, however Read More
The Electric Brain
sounds like a miracle: A man with severe brain damage regained the ability to talk, eat, and move after doctors implanted an electrical device deep inside his brain. Since suffering a brain injury 6 years ago, the man had barely responded to the world ar Read More
Coral Gardens
On their first visit to Davidson Seamount in 2002, scientists realized that they had discovered a very unusual place. What was once an underwater volcano has become home to an unexpectedly diverse community of enormous and colorful sea creatures. Read More
Plant Gas
You may have never heard of methane, but there's a lot of it out there. Cows emit the gas, which is produced by bacteria in their stomachs. Methane also wafts up from the wet soils in swamps and rice paddies, where methane-producing microbes live. Read More
A Change in Time
If you don't know what time it is, you can probably find out very quickly. Clocks and watches show the time, of course. And so do computers, cell phones, microwave ovens, VCRs, radios, and other devices in our everyday lives. Read More
Childhood Chills Give Bees Six Left Feet
Dancing well can help a person impress a first date. Honeybees have a lot more at stake. They do little dances to tell their nest-mates where they’ve found food. If the bees are raised in cold temperatures, though, their dancing skills seem to go down th Read More
Supersuits for Superheroes
Just by getting dressed in the morning, you could jump 10 feet into the air, carry 150 pounds without getting tired, and throw a baseball faster than Roger Clemens. Read More
Lion
The Lion Panthera leo is a mammal of the family Felidae and one of four "big cats" in the panthera genus. The lion is the second largest living cat, after the tiger. The male lion, easily recognized by his mane,weighs between 150-225 Kg (330-500 lb). Read More
Wasps
Wasp is the common name applied to most species of hymenopteran insects, except bees and ants. Insects known as wasps include the sawflies, the parasitic wasps, and the stinging wasps, which are the best known. Read More
Island of Hope
A pod of dolphins play in the bay as we hop off a small motorboat into knee-deep water. Back home, it is Thanksgiving, cold and gray, but here in Fiji, the air is windless and steamy. This country of tropical islands speckles the Pacific Ocean near the eq 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 message could reach just about anyone in the world, and i Read More
Listening to Birdsong
A zebra finch chirps away to himself. Suddenly he notices a female bird nearby. He realizes he has an audience and immediately changes his song. Can the female tell the difference in his performance? According to a new study, the female zebra finch knows Read More
Marlin
The marlin is a large game fish. It has an elongated body up to 2.5 m long, a spearlike snout, and a long rigid dorsal fin which extends forwards to form a crest. Marlins are fast swimmers, occurring in all seas and hunting small and large fish. Read More
Unscrambling a Gem of a Mystery
Hidden inside every shiny green emerald is a geographical mystery. Once an emerald is plucked from a mine in its home country and turned into a piece of jewelry, it can be nearly impossible to figure out where the gem came from in the first place. Now, r Read More
Stalking Plants by Scent
Dodder is a wiry, orange vine that steals water and nutrients from other plants. Scientists have now found that this vine chooses its victim by smell, growing its shoots in the direction of a plant's natural perfume. Read More
Black Holes That Burp
It wouldn’t be very pleasant to go near a black hole. Armed with an enormous amount of gravitational pull, the incredibly tiny but supermassive object would swallow you alive and stretch you into a piece of spaghetti in the process. Read More
Marsupials
Marsupials are identified by one very important characteristic: they carry and nurse their young in a pouch. Marsupial babies are born blind and helpless, with no hair and with small forearms that are barely developed. Read More
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City Trees Beat Country Trees
There are city people, and there are country people. Now, the same may be true for trees. A common type of tree grows twice as well in New York City as it does in rural places around the state, resear... Read More
Fishy Sounds
Although coral reefs look peaceful, they're noisy places. Shrimp make popping noises that sound like bacon frying in a pan. Fish click their jaws or make rumbling sounds as they swim around. Such a l... Read More
Gazelle
A gazelle is an antelope of the genus Gazella. Gazelles are known as swift animals; they are able to reach high speeds for long periods of time. Gazelles are mostly found in the grasslands and savanna... Read More
Makeup Science
Looking your best may be as much a science as it is an art—especially in the makeup business. Take a look at the cosmetics and beauty products on display when you shop: hair gel, lipstick, nail polis... Read More
Vitamin D-licious Mushrooms
Over the past few years the sun has gotten a bad rap. Too much sunshine can put you at risk for skin cancer. And an overdose of sun can also lead to nasty sunburns, or even heatstroke. But the sun is... Read More
A brain-boosting video game
In the video game Tetris, players try to pack as many shapes as possible into a small space. According to a new study, that’s not all they’re doing: Scientists found a connection between playing Tetri... Read More
Vampire Bats on the Run
Vampire bats sound pretty scary. Even though they suck blood from large mammals, however, they're remarkable creatures. They're smart. They're agile, stealthy night fliers. They have heat sensors in t... Read More
Undersea Vent System Active for Ages
Deep at the bottom of the Atlantic Ocean, there is a huge and mysterious network of rock structures called the Lost City. Rock spires on the steep slopes of an undersea mountain stretch as high as 18... Read More
Nurse Sharks
Nurse sharks are cosmopolitan carpet sharks belonging to the family Ginglymostomatidae. Common in shallow, tropical and subtropical waters of the western Atlantic and eastern Pacific, the family compr... Read More
A New Look at Saturn's rings
Many students know that to figure out the age of a tree, you count the number of rings that make up its trunk, one ring for each year. But what if you wanted to know the age of the rings that surround... Read More
Secrets of an Ancient Computer
Computers go back farther in history than you might imagine. A mysterious mechanism found in a 2,000-year-old Greek shipwreck may have been used to calculate the positions of planets, predict when ec... Read More
Cacophony Acoustics
You're in the middle of a bustling school lunchroom. Some girls are yelling behind you. Right beside you, a boy is singing along with his iPod. Other kids are playing a rowdy game in the corner. Meanw... Read More
Coyotes
The coyote (Canis latrans, meaning "barking dog", also prairie wolf) is a member of the Canidae (dog) family and a relative of the domestic dog. Coyotes are native to North America and are o... Read More
Catching Some Rays
Harnessing the power of the sun is nothing new. People have had solar-powered calculators and buildings with solar panels for decades. But plants are the real experts: They've been using sunlight as a... Read More
Seabirds Deliver Arctic Pollutants
Birds are famous for carrying things from place to place. Some, like homing pigeons, can be trained to deliver messages and packages. Other birds unknowingly carry pollen, burrs, and seeds that latch ... Read More