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Lessons from a Lonely Tortoise - Lessons from a Lonely Tortoise
Lessons from a Lonely Tortoise
At first glance, the world's rarest creature looked just like a big boulder. I had scanned a large, plant-filled enclosure several times before locating him: a 70-something-year-old tortoise named Lonesome George. Read More
Baboons Listen for Who's Tops
You're probably pretty good at recognizing people's voices and responding in a suitable way. If you hear anger in a parent's voice, for instance, you might cool it for a while. When you hear your teacher walking down the hall toward the classroom, it's pr Read More
Big Machine Reveals Small Worlds
Inside a shiny new machine in suburban Melbourne, Australia, tiny particles are whizzing around at nearly the speed of light. The football-field–size machine, called a synchrotron, uses tubes, magnets, vacuum pumps, and other gadgetry to produce intensel Read More
Quolls
Quolls or native cats (genus Dasyurus) are carnivorous marsupials, native to Australia and Papua New Guinea. Adults are between 25 and 75 cm long, with hairy tails about 20-35 cm long. 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
Basking Sharks
The Basking Shark (Cetorhinus maximus), also known as the Bone Shark, is the second largest fish alive, after the Whale Shark. A cosmopolitan species, Basking Sharks are found in all the world's temperate oceans. 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
Your inner Neandertal
The entire genetic code of a species is called its genome, and it is a list of all the important genes in the species’ DNA. These genes contain the instructions for how to build proteins, and proteins perform specific functions in a cell. Read More
African Gorillas
The gorilla, the largest of the living primates, is a ground-dwelling herbivore that inhabits the forests of Africa. Gorillas are divided into two species and (under debate as of 2006) either four or five subspecies. Read More
Deep Krill
A little over a year ago, scientists lowered a camera to the bottom of the Southern Ocean off the coast of Antarctica. The video images from that camera surprised them. Three thousand meters (9,800 feet) below the surface of the sea, the researchers obse Read More
Ferrets
In general use, a ferret is a domestic ferret (Mustela putorius furo), a creature first bred from the wild European polecat at least 2,500 years ago. Contrary to popular belief, ferrets are not rodents, but members of the mustelid family. Read More
The Taming of the Cat
There are black cats, spotted cats, fat cats, and scaredy cats. Now, scientists have found what may be one of the first pet cats ever. 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
Freshwater Fish
Fish -- both wild and domestic -- can be divided into two categories: saltwater and freshwater. Freshwater fish live in fresh bodies of water (like lakes, streams and rivers) rather than oceans, or other bodies with a high salt content. Read More
Earth's Poles in Peril
The North and South poles are remote and frigid places that receive lots of animal visitors but few human tourists. But even if you never plan to visit the polar bears in the north or penguins in the south, now is a perfect time to start thinking about th Read More
Mother-of-Pearl on Ice
Pearls are some of the more beautiful examples of nature's strength. The gemstones grow inside oysters, and they are remarkably sturdy and tough. Now, scientists have found a way to copy what oysters have been doing all along. They've made a pearl-like m Read More
Cheetah
The Cheetah (Acinonyx jubatus) is an atypical member of the cat family (Felidae) that hunts by speed rather than by stealth or pack tactics. It is the fastest of all land animals and can reach speeds of up to 70 mph (112 km/h). Read More
Losing with Heads or Tails
Heads, you win. Tails, you lose. It turns out that coin tosses may be less fair than you might think. A new mathematical analysis even suggests a way to increase your chances of winning. Read More
Calculating crime
When you think about math, you probably don’t think about breaking the law, solving mysteries or finding criminals. But a mathematician in Maryland does, and he has come up with mathematical tools to help police find crooks. People who solve crimes look 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
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 called primates. People are primates, too. Now, scien Read More
Ponies
The term "pony" can be used in general (or affectionately) for any small horse, regardless of its actual measurements, or breed. However, some equine breeds are not considered ponies, even if they are under 14.2 hh. Read More
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Puberty gone wild
Breakouts, mood swings and sudden growth spurts: Puberty can be downright awkward. Even if you’re not of the human species. Puberty is a period in which humans move from childhood to adulthood. Durin... Read More
Rover Makes Splash on Mars
A robot on Mars has just turned up the best evidence yet that liquid water once flowed on the Red Planet. Because water is thought to be necessary for life, the discovery should help researchers pinpo... Read More
Doberman Pinschers
The Doberman or Doberman Pinscher is a breed of domestic dog. Dobermans are commonly used as guard dogs, watch dogs, or police dogs. Dobermanns are one of the most recognizable breeds, both because of... Read More
Extra Strings for New Sounds
You've heard of pianos, violins, and guitars. Now, make room for the tritare (rhymes with guitar). Canadian mathematicians have invented the new music-making device by tweaking the standard concept of... Read More
Settling the Americas
The world was a very different place tens of thousands of years ago. People didn't yet inhabit many regions that are crowded today.... Read More
Sugar Power for Cell Phones
Drinking sugary soda gives you a burst of energy. Some day, sugar might power electronic equipment as well. That's because scientists have now found a way to turn sugar into electricity. ... 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 w... Read More
Pluto, plutoid: What's in a name?
A rose by any other name would smell as sweet, wrote William Shakespeare in the play Romeo and Juliet. But what would astronomers say about a planet by any other name? ... Read More
Copybees
Baby brothers and sisters aren't the only copycats in town. Bumblebees imitate each other, too. In one study, researchers at Queen Mary University of London put a "demonstrator" bee on a fa... Read More
Bee Heat Cooks Invaders
Have you ever noticed how warm you get at concerts, street fairs, and other big-crowd events? Body heat from all those people really adds up. Body heat can be so powerful that some honeybees in Asia ... Read More
Pitbulls
The Pit bull is not a specific breed of dog, but rather a term used to describe several breeds of dogs with similar physical characteristics. ... Read More
Forests as a Tsunami Shield
It's been a banner year for natural disasters. Tsunamis and hurricanes, in particular, have battered homes, destroyed cities, and taken thousands of lives. Areas along the oceans have been slammed esp... Read More
Hamsters
A hamster is a rodent belonging to subfamily Cricetinae. The subfamily contains about 18 species, classified in six or seven genera. Most have expandable cheek pouches, which reach from their cheeks t... Read More
Prime Time for Broken Bones
Kids will be kids. They climb trees. They ride skateboards down steps. They jump off swing-sets. No matter how often adults warn them to be careful, accidents occur and bones break. That's happened ge... Read More
Diamond Glow
Diamonds are expensive because they're beautiful and rare. But fake diamonds often sell for a lot of money, too, because they can look very real. Now, scientists have discovered a way to distinguish ... Read More