Several safari camps operate as the base for this adventure, providing unique rides twice a day to explore deep into the delta. The camps have excellent horses, professional guides and lots of support workers. They have a reputation for providing a great riding experience.

              The morning ride, when the guides take you to beautiful, shallow lakes full of water lilies, tends to be more active. It is unlike any other riding experience. With rainbows forming in the splashing water around you and the sound of huge drops of water bouncing off your body and face. It is truly exciting. You are very likely to come across large wild animals, too. On horseback it is possible to get quite close to elephants, giraffes and many other animals. The sense of excitement and tension levels rise suddenly though, as does your heart rate, as you move closer to them.

              In the evening, rides are usually at a more relaxed and unhurried pace. With golden light streaming across the grassy delta and the animals coming out to eat and drink. Sedate though they are, rides at this time of day are still very impressive. As the sun's rays pass through the dust kicked up by the horses, the romance of Africa comes to life.

              Back at the camp you can kick off your boots and enjoy excellent food and wine. Looking back on your day, you will find it hard to deny that a horseback Safari is as close as you will ever come to answering the call of the wild.

    How fit are your teeth? Are you lazy about brushing them? Never fear: An inventor is on the case. An electric toothbrush senses how long and how well you brush, and it lets you track your performance on your phone.

    The Kolibree toothbrush was exhibited at the International Consumer Electronics Show in Las Vegas this week. It senses how it is moved and can send the information to an Android phone or iPhone via a Bluetooth wireless connection.

    The toothbrush will be able to teach you to brush right (don't forget the insides of the teeth!) and make sure you're brushing long enough. “It's kind of like having a doctor actually watch your brushing on a day-to-day basis,” says Thomas Serval, the French inventor.

    The toothbrush will also be able to talk to other applications(应用) on your phone, so developers could, for example, create a game controlled by your toothbrush. You could score points for beating monsters(怪物) among your teeth. “We try to make it smart but also fun,” Serval says.

    Serval says he was inspired by his experience as a father. He would come home from work and ask his kids if they had brushed their teeth. They said “yes,” but Serval would find their toothbrush heads dry. He decided he needed a brush that really told him how well his children brushed.

    The company says the Kolibree will go on sale this summer, for $99 to $199, depending on features. The U.S. is the first target market.

    Serval says that one day, it'll be possible to replace the brush on the handle with a brushing unit that also has a camera. The camera can even examine holes in your teeth while you brush.

                                                                                                                          Active New Zealand

    Adventure tours in New Zealand and South America

    Website: www.activenewzealand.com

    Phone: 1-800-661-9073

    Destinations: South Pacific, New Zealand, South America, Argentina, Chile, Peru, Ecuador, Costa Rica

    Activities: Bicycling, Mountain, Road, Cross-Country/Touring, Sea-kayaking, Hiking & Trekking(远足), Backpacking, Exploring, Day hiking, Family, Scuba-diving（带水肺潜水）, Rainforest, Wildlife, Walking

    Adventure Life

    Exceptional travel in Latin America and Antarctica

    Website: www.adventure-life.com

    Phone: 1-800-344-6118

    Destinations: Antarctica, South America, Argentina, Chile, Peru, Ecuador, Bolivia, Central America, Belize, Costa Rica, Panama

    Activities: Kayaking, Rafting, Sea-kayaking, Hiking & Trekking, Backpacking, Exploring, Day hiking, Multisport, Cultural, Archaeological（考古的）, Historical, Scuba & Snorkeling, Nature, Rainforest, Wildlife, Eco-focused, Culture-focused, Expedition Cruising

    Adventure Spirit / Travel Network

    Adventure tour operator + Travel agency

    Website: www.worldadventures.travel

    Phone:1- 800-492-0257

    Destinations: Asia, Europe, South Pacific, Antarctica, Africa, South America, North America

    Activities: Bicycling, Paddlesport, Snowsport, Hiking & Trekking, Caving, Family, Multisport, Cultural, Beach & Watersport, Scuba & Snorkeling, Nature, Photography, Safari, Geotourism, Fishing & Fishing Lodges, Sailing & Cruise, Other, Expedition Cruising, Space, Educational, Walking, Horseback/Dude Ranch（牧场）, Self-Drive, Around the World Tours

    Bees in a colony work with each other to gather food, and they try to find the most nectar (花蜜)in the least amount of time possible. A small number of bees work as searchers, but when a good flower patch (花丛) is found, how do they tell other bees where to find it?

    Bees communicate flower location using special dances inside the hive, where bees live. One bee dances while the other bees watch. The dancing bee smells like the flower patch, and also gives the watching bees a taste of the nectar she has gathered. Smell and taste helps other bees find the correct flower patch. Bees use two different kinds of dances to communicate information: the waggle (摇摆) dance and the circle dance.

    Waggle dance

    The waggle dance tells the watching bees two things about a flower patch's location: the distance and the direction away from the hive.

A. Distance

    The dancing bee waggles back and forth as she moves forward in a straight line, then circlesaround to repeat the dance. The length of the middle line, called the waggle run, shows roughly how far it is to the flower patch.

B. Direction

    Bees know which way is up and which way is down inside their hive, and they use this to show direction. How? Bees dance with the waggle run at a specific angle away from straight up. Outside the hive, bees look at the position of the sun, and fly at the same angle away from the sun.

    Circle dance

    The circle dance tells the watching bees only one thing about the flower patch's location: that it is somewhere close to the hive.

    In this dance, the bee walks in a circle, turns around, then walks the same circle in the opposite direction. Sometimes, the bee includes a little waggle as she's turning around. The duration of this waggle is thought to indicate the quality of the flower patch.

    If you wear glasses, chances are you are smarter. Research published in the famous British journal Nawre Conurunications has found — people who displayed higher levels of intelligence were almost 30 percent more likely to wear glasses.

    The scientist, studied the genes of thousands of people between the ages of 16 and 102. The study showed intelligence can be connected to physical characteristics. One characteristic was eyesight. In out of 10 people who were intelligent, there was a higher chance they need glasses. Scientists also said being smarter has other benefits. It is connected to better health.

    It is important to remember these are connections which are not proven causes. Scientists call this correlation. Just because something is connoted to something else does not mean one of those caused the other. And it's worth noting that what constitutes (构成)intelligence is subjective and can be difficult, if not impossible, to measure.

    Forget genes thought. Plenty of proof shows wearing glasses makes people think you are more intelligent, even if you do no, need glasses. A number of studies have found people who wear glasses are seen as smarter, hard-working and honest. Many lawyers this idea to help win their cases. Lawyer Harvey Slovis explained this. "Classes soften their appearance," he said. Sometimes there has been a huge amount of proof showing that people he was defending broke the law. He had them wear glasses and they weren't found guilty.

    Glasses are also used to show someone is intelligent in movies and people who wear glares have begun to shift. People who do not need glasses sometimes wear them for fashion only. They want to look worldly or cool. But not everyone is impressed by this idea, thought. GQ magazine said people who wear glasses for fashion are trying too hard to look smart and hip(时髦的). However, that hasn't stopped many celebrities (名人) from happily wearing glasses even if they do not need them. Justen Bieber is just one high - profile fen of fashion glasses.

The last time you got angry, did you stop and listen to what your mind was telling you?

Ryan Martin, psychology professor at the University of Wisconsin, Green Bay, has spent his career doing just that. It turns out, the thoughts that we have in response to the first flare (爆发) of anger are what can send us over the edge—or help us control the emotion for good, Martin says.

Despite the trouble that it can cause, anger is not actually bad for us. From an evolutionary perspective, it plays an important role in our survival, Martin says: "It helps alert us to the fact that we've been wronged." When your heart starts to pound and your face gets hot, that's anger increasing your blood flow in preparation for a showdown (决战). "It's our fight or flight response, used to energize us to deal with injustice," he explains.  

Anger only becomes a problem when we can't manage it. Managing your anger, it turns out, is all about managing your thoughts. While anger may inform us of a threat—even if it's just to our reputation—it's the thoughts that determine how we respond. That's why strategies like cognitive behavioral therapy, which teach people healthier thought patterns, can be so successful.

Rather than ignore our anger, Martin wants us to see what our anger is telling us. If anger alerts us to possible injustice, for example, it's not helpful to simply dismiss it. "What I really want is for people to have accurate thoughts, thoughts that accurately reflect what's going on in the world around them," Martin says.