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Recipe for Health - Recipe for Health
Recipe for Health
Everybody wants to be healthy, but today's world is full of roadblocks. You know you should eat broccoli, for example, but it's a lot easier to buy French fries (and they taste better). You know you should exercise, but your friends are playing games Read More
Nature's Medicines
You would probably never think to slap a stingray on a scraped knee. Eighteen-year-old Ben Powell, however, has found compounds on a stingray's skin that may help fight infections. Read More
Nanosponges Soak Up Pollutants
What could be worse than toxic sludge seeping into soil, poisoning animals and people? The headache of cleaning up all that muck. For years, engineers have struggled to get oil and tar out of the ground at hazardous-waste sites around the U. S. Read More
Words of the Distant Past
Some people just won't shut up. That's probably been true for a long time—maybe even hundreds of thousands of years. Computer reconstructions of ancient skulls show that our ancestors had ears built like ours as far back as 350,000 years ago. Read More
A Puffy Planetary Puzzle
Astronomers recently made a fuss about Pluto, saying that it's not really big enough to be called a planet. Now, they're making a fuss about a planet that might be the largest one yet discovered. Read More
Sperm Whale
The Sperm whale (Physeter macrocephalus) is the largest of all toothed whales and is believed to be the largest toothed animal to ever inhabit Earth, measuring up to 18 m (60 ft) long. Read More
Play for Science
Daniel Kunkle spent most of his time in graduate school playing with a colorful puzzle called a Rubik's Cube. And for 20 years, Jonathan Schaeffer worked on winning at checkers. The two researchers weren't goofing off. With clever computer programming, K Read More
Protecting Cows—and People—from a Deadly Disease
Chomping at a juicy hamburger might be a little less tempting than it once seemed. It took just one case of mad cow disease, discovered in December, to make several countries ban imports of U.S. beef. Officials in Japan and elsewhere are afraid that peopl Read More
A Sense of Danger
Animals do amazing things. Birds migrate immense distances. Whales communicate across vast oceans. Honeybees remember familiar flowers. Crows can turn sticks into tools. Dogs sense when their owners are coming home. Elephants can imitate sounds. Mon 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
Hall of Dinos
If you live near Pittsburgh or happen to travel there, you might want to swing by the Carnegie Museum of Natural History. On November 21, the museum unveiled the largest dinosaur mural in the world. The painting is 180 feet (55 meters) long and an averag Read More
Giant snakes invading North America
There may be a strange, slithering invasion coming from the South. Big snakes like anacondas, boa constrictors and pythons now live in the wilds of southern Florida. Although not originally native to the United States, some are now being born there. Read More
Wired for Math
Quick. What's 845 + 289? Sorry, time's up. Few people can add numbers in their heads that quickly. If someone showed you a set of 845 dots next to a set of 289 dots, however, you'd probably be able to tell right away which set has more dots. You could pr Read More
Platypus
The Platypus is an egg-laying, duck-billed mammal whose males have a venomous spur on the hind foot, baffled naturalists when it was first discovered. The uniqueness of the platypus makes it a recognizable symbol of Australia. Read More
Garter Snakes
Garter snakes are extremely common across North America, from Canada to Central America, and an everyday find in gardens. They are the single most widely distributed species of reptile in North America. Read More
Whales
Gentle giants of the open oceans, whales are among the earth's oldest and largest creatures. Living in a watery world so far removed from our own, our understanding of whales is still advancing, and mysteries still surrounding their behavior. Read More
The Pressure of Scuba Diving
At 25 feet below the surface of the water, Alex Whitaker's tooth started to ache. When he tried to dive deeper, the pain grew worse. Read More
A Darker, Warmer Red Planet
Our planet is getting warmer, and ice at the North and South Poles is melting. Global warming may be happening on Mars too. When the sun shines on a planet, the planet's surface reflects some of the sunlight back into space. Read More
Island Extinctions
People arrived in Australia about 50,000 years ago. Soon after, many of the island's large mammals disappeared, new evidence suggests.Among the animals that went extinct were several species of kangaroos and wombats and some other creatures. Read More
Life trapped under a glacier
Ever heard of Blood Falls? It’s freezing cold, far away and hard to reach — probably not where you’re headed on your family vacation this summer. Blood Falls is at the tip of a giant glacier in Antarctica. As its name suggests, the icy face of Blood Fall Read More
Ancient Critter Caught Shedding Its Skin
Few people would want to ditch their skin, but some creatures have been doing it for hundreds of millions of years. An ancient fossil supplies the evidence for such skin shedding. Skin shedding, or molting, is common throughout a class of hard-skinned ani Read More
Planet Hunters Nab Three More
There are other planets around other stars in other solar systems. That's the old news. Now, new observations have turned up the three smallest, most Earthlike planets ever found outside our solar system. Read More
Dinosaurs Grow Up
One day, you realize that you can reach a shelf you could never get to before. Pretty soon, you're buying new clothes every few months because the old ones are too short or too tight. Before you know it, you can stare directly into the eyes of your teache Read More
Fastest Plant on Earth
Move over, Venus flytrap. Now, there's something faster. Using a high-speed camera, researchers have documented what may be the quickest-acting plant ever seen: the bunchberry dogwood slinging pollen into the air. Read More
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Lives of a Mole Rat
Some animals are easy to love. Mole rats don't fit into this category. With their huge teeth, squinty eyes, piglike noses, and, in some cases, wrinkled, nearly hairless bodies, mole rats aren't exact... Read More
Video Game Violence
We read every message that readers submit to Science News for Kids, and we learn a lot from what you say. Two articles that really got you talking looked at video games. One story argued that video ga... Read More
Dachshunds
The Dachshund is a short-legged, elongated dog breed of the hound family. The breed's name is German and literally means badger dog (der Dachs-badger; der Hund-dog).... Read More
Supersonic Splash
Supersonic means faster than the speed of sound, which is about 760 miles per hour in air. That’s a speed limit that can be broken — by jets and bullets, for example, or by the space shuttle as it ret... Read More
Bee Disease
Honeybees are disappearing for unknown reasons around the United States (See "Where Have All the Bees Gone?"). The decline has been drastic: Last winter, bees disappeared from 23 percent of... Read More
Lhasa Apsos
The Lhasa Apso is a small breed of dog originally from Tibet. They were used as watchdogs inside Tibetan monasteries for over 1200 years, for which they are uniquely suited with keen intelligence, acu... Read More
Daddy Long Legs
These harmless arachnids are known for their exceptionally long walking legs, compared to body. Also known as harvestmen, these harmless arachnids are known for their exceptionally long walking legs, ... Read More
A 'Book' on Every Living Thing
Fish that weigh more than a refrigerator. Fish with glowing slime. Fish that look like cows—or at least did to the folks who named them cowfish (and these creatures do have long faces). ... Read More
The Down Side of Keeping Clean
Wash your hands. Brush your teeth. Scrub the toilet. Do the dishes. Being clean is supposed to keep us healthy by destroying bacteria that make us sick. ... Read More
A Clean Getaway
Criminal investigations begin with a search for clues. Teams of investigators arrive at a crime scene armed with special fact-finding gear. They look for standard evidence like fingerprints, footprint... Read More
Planets on the Edge
My Very Educated Mother Just Served Us Nine Pizzas. Many kids use this short sentence (or something like it) to remember the names of the planets in order of their distance from the sun. The first let... Read More
The Color of Health
Nature is full of color, from rainbows and roses to butterfly wings and peacock tails. Even the fruits and vegetables you eat often have distinctive colors: intensely blue blueberries, deeply red stra... Read More
Monkeys Count
Monkey see, monkey hear, monkey count. Rhesus monkeys can match the number of faces they see to the number of voices they hear, a new study shows. This finding suggests that monkeys can keep track of... 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 thei... Read More
Making light of sleep
Maybe this has happened to you: In the middle of class, while you pretended to be paying attention to the teacher’s lecture, your eyelids started to droop. You began having second thoughts about stayi... Read More