Showing posts with label ReaL. Show all posts
Showing posts with label ReaL. Show all posts

Saturday, July 2, 2011

Top 10 Most Powerful Rivers in the World

When you think of a river, the last thing you think about is probably how strong its water really is. You are more than likely to think about calm flowing water that brushes over stones at the bottom of the river. Maybe you envision small fish in the river. Whatever you think about, it’s definitely not how powerful the river is.
If you’re one of those people that are fascinated by random yet helpful bits of information, then this top-ten list is for you. Here are the top ten most powerful rivers in the world. This list is based upon the flow rate of the river itself.

10. Mekong River

The Mekong River is located in China. It runs through Burma, Thailand, Yunnan, Laos, Vietnam, and Cambodia. The Mekong is the 11th longest river in the world and the 7th longest in Asia. The river is said to be about 2,703 miles long. Because of the seasonal changes that cause variations in flow as well as the appearance of rapids and waterfalls in the river, the Mekong is extremely difficult to navigate. This river so strong that the level of the river located in Cambodia is lower than the high tide at sea! In 2000, the river’s rapids and tides became so overwhelming that it flooded, killing about 90 people.


9. Lena River


Flowing through Eastern Siberia, the Lena River is the 10th longest river in the world, bringing water 2,734 miles until it flows into the Sea. The river flows northeast and joins with two other rivers and finally flows into the Laptev Sea. The river is known to have strong links to stream flow, especially during the summer and spring when the water is much warmer than usual. Once it is spring, the ice on the Lena River melts before the ice downstream does, which usually causes flooding because iceblocks hinder the flow of water. In 2007, the river over-flooded and more than 1,000 houses and 12 towns were under water.

8. Parana River

The Parana River is the 14th longest river in the world. Though most of the river is located in Brazil, it also runs through other parts of South America such as Argentina and Paraguay. The river is about 2,485 miles long and flows into three other rivers. On the southern part of the river, flooding is extremely common. The strong currents that the Parana brings have been said to erode river shores, destroy buildings, and cause many people to have to move out of their homes. The high winds and the El-Nino effect also play big roles in how powerful the river is.

7. Yenisey River

The Yenisey River is the biggest river that flows into the Arctic Ocean. At 3,445 miles long, the river is the 5th largest in the world. The river flows through Mongolia, the Yenisei Gulf, and then drains in the center of Siberia. The upper part of the river is subject to floods a swell as rapids. Because part of the river exits through the Darkhad Valley, studies have shown that it is often blocked by ice. Once the glaciers retreat, it is said that as much as 500km ³ of water could escape from the river and cause a complete debacle.






6. Mississippi River

The Mississippi River is the only river in the U.S. to make the list! The Mississippi River is the second largest in the U.S. It expands across 2,340 miles of land. It starts at Lake Itasca in Minnesota and travels all the way down to the Gulf of Mexico. Those who live along the banks of the river often have to fear its high tides and extremely powerful waters. Many of the levees that have been built to hold back the water have proven extremely unhelpful. In 2008, many were afraid that the river would over-flood even more than it already had. The water was topping levees and many had to be evacuated from their homes.

5. Brahmaputra River

The Brahmaputra River is located in Bahaduradbad, Bangladesh. It starts in southwestern Tibet, goes through the Himalayas, the Assam Valley, and then through Bangladesh. The Brahmaputra River is about 1,800 miles long and is mostly used for transportation as well as irrigation. While most of this river is navigable, some parts are prone to catastrophic flooding in the spring once the snow of the Himalayans melt. This river is also one of the few that is known to have something called a tidal bare. This means that incoming tides form waves that travel up the river against the direction of the current. This is what researchers call a true tidal wave. This makes the Brahmaputra River that much stronger.

4. Yangtze River

The Yangtze River is the longest river in Asia as well as in China. It is the 3rd largest river in the world. The river stretches to about 3,964 miles and flows through East China Sea in Shanghai. The Yangtze River is known for its flooding, and dams that have been built to prevent water from flowing outside of the river’s banks have proven to be useless. Researchers have realized that the river actually has three different types of floods and that its tides are much too strong during some seasons to prevent water from overflowing. Many use the river for electricity and water transport, but they often, if not always have to live in the fear of their towns being flooded.

3. Orinoco River

The Orinoco River is one of the longest in South America. In fact, it is the 3rd longest in South America. The river is 1,330 miles long and flows through Colombia and Venezuela. It begins at the Delgago Chalbaud Mountain. Once the river passes the forested terrain and waterfalls, it slows. However, the waterfalls become rapids which have proven to be extremely difficult to navigate, even though during this time the river is downstream. Eventually the river dumps into the Atlantic Ocean. The river also experiences coastal upwelling year-round, which often poses a threat for those who live close to the river.

2. Congo River

You might know the Congo River as the Zaire River. Whichever name you are familiar with, this river is the largest river in Western Central Africa. At 2,922 miles, the Congo River is the second longest river in Africa. This river is also Africa’s most powerful river. Even though the Congo starts off as a peaceful river, especially near Lake Tanganyika, it eventually begins to widen and also picks up speed during this time. Eventually the water passes through the “Gates of Hell,” which is a 75-mile long canyon that presents rapids that are impassable. At the Upper Congo, the river ends, but has a 60 mile stretch of rapids that make it dangerous and powerful.

1. Amazon River

The Amazon River is the largest river in the world when looking at its volume. It is located in South America, and because it is so large, it can count for at least 1/5 of the world’s complete river flow. This river is so powerful and so big that there aren’t any points along the river that can be crossed by a bridge. The river has an extremely powerful discharge at the mouth which can release as much as eight trillion gallons of water each day. The river is said to be about 150 ft. deep, so if you’re thinking about going for a swim in the Amazon, think again!

(source)

Friday, July 1, 2011

First Habitable Planet Beyond Earth Found?


Scientists believe that they have discovered a planet that is suitable for life. Gliese 581d could have the right conditions to support life.
Gliese 581d, a planet orbiting the red-dwarf star Gliese 581, is the first confirmed potentially-habital extrasolar planet. French scientists used complicated computer models to assess the atmosphere on Gliese 581d, and have found that it falls into the goldilocks zone (a planet that is not too cold and not too hot, but just right).
But Gliese 581d does have it’s drawbacks, and may not be suitable for human life. First off, it would take about 3000 lifetimes to get there. Secondly, the planet is tidally locked, which means there is no day and no night. One side is perpetually in light, while the other side is perpetually dark. Pop Science also reports that since Gliese 581d has a much larger mass than earth, the gravity would be about twice as strong on the surface of Gliese 581d.
Still, the potential for life outside of earth exists on Gliese 581d.


[Source: Pop Science]

Sunday, June 19, 2011

Top 10 Bizzare Plants


There are about 375,000 species of plants in the world today, with more being discovered on a daily basis. Plants come in all different sizes, shapes, colors, and even scents. We’ve all seen the common household plants: ferns, orchids, violets… but most of the plants on this list you’ve probably never seen in real life.
Even though classifying something as bizarre is pretty relative and will differ from person to person, these plants are most definitely strange in more than just one way. If you’re looking to surprise your girlfriend, these are not the types of plants to put into a pot; save them for the mother-in-law. Below are 10 odd plants that will probably make you think twice.

10. Dionaea Muscipula


Better known as the Venus flytrap, the Dionaea muscipula is one of about 670 carnivorous plants that researchers have discovered. The plant is able to attract insects and spiders, and once the bug is inside of the plant it will make contact with the tiny hairs inside, which then spark a reaction for the plant to close its lobes. If the prey does escape, the trap usually reopens in about 12 hours. If the bug is unable to get away, the further movement it makes in attempt to escape only forces the plant to tighten even more, which leads to digestion.

You’ve probably seen these plants in the stores or even at someone’s home, placing it low on the list despite its strange diet (and, let’s face it, a meat-eating plant is pretty bizarre). The stems often get no larger than 4 inches, and can be a bit smaller than 1 inch. In the spring, the plant produces delicate white flowers, but only if it is healthy. As a result of wildfires, they are considered to be a vulnerable species, which means that they are highly likely to become endangered. While the plant has been transplanted to many locations, the only place where it grows natively is in North Carolina bogs. Despite what you may think, the Venus flytrap is not a tropical plant; in fact, it thrives in the winter.

9. Wolffia Angusta

Wolffia-Angusta-smallest-flower



Sometimes referred to as watermeal, Wolffia angusta belongs to a genus that is made up of some of the smallest plants on earth. There are 38 Wolffia plants total, 9 of them being the smallest plants ever discovered. The Wolffia angusta is so small that a dozen single plants can easily fit onto the head of a pin. If you were to find 2 plants that were in full bloom, you could fit them inside a very small handwritten “o.” You’ll find this plant growing on the water’s surface, which explains its name because, at first glance, you could easily mistake it for cornmeal floating in the water. These plants have no roots and grow in depressions in the water’s surface. They often group together and even combine with other similar plants that also make the water home.
Watermeal is native to Asia, where it is part of many people’s diets. It is said to have just as much protein as soybean, which is about 40% of its nutritional value. However, eating plants the size of 1/25 of an inch can’t be filling!

8. Lithops Julii

Lithops-Julii


Lithops julii is a weird plant that you’ll find growing in southern Africa. The plant thrives in very hot and dry environments, and if you know a little Greek, you may know why. The plants name, Lithops, comes from the word ‘lithos’ which means stone and ‘ops,’ meaning like or similar to. Other names for Lithops julii are pebble plants as well as living stones. Truly, every aspect of the plant is very much like a rock. For instance, most plants are green or have some hint of yellow to them. But, the Lithops are cream, grey, brown in color (some with red designs). These colors are useful because they allow the plant to blend in and almost camouflage itself. Overall, just like rocks, the Lithops plant is pretty dull.

Though the plant doesn’t sound pretty, it does actually produce flowers. The flowers look very similar to a daisy; white with long petals and a pale yellow center. These flowers usually bloom in the fall. Now, if you’re into weird plants that don’t add very much color to a room, you can choose to buy a Lithops and grow it in your home. With enough light and ventilation along with minimal water, these plants do great.

7. Welwitschia Mirabilis

Welwitschia-Mirabilis


When it comes to most living things, water and food are a necessity. However, for the Welwitschia mirabilis, 3 inches of water during an entire year work just fine. An inch of this usually comes from rain while the other 2 inches are provided by the ocean fog. However, the lack for water may explain this plant’s appearance- it’s dry, rugged, flimsy look most definitely fits the mold. The plant only grows 2 leaves during its entire lifespan, which is about 1,000-2,000 years, but they often split after growing to be up to 13 feet, which makes the plant seem like it has more. With such a lifespan, the plant has earned the name as the “living fossil.”
The plant was first discovered in 1859 by Friedrich Welwitsch, which explains the plant’s name. These plants usually grow well in Angola and Namibia; however, they are not widely found in Namibia due to locals who dig them up and collect them. The minefields in Angola keep them plenty safe. The biggest Welwitschia plant is 4.6 feet tall and 13 feet wide.

6. Victoria Amazonica

victoria-amazonica-lily-pad-giant


From experience, you probably know that lily pads and water lilies aren’t huge plants. They are maybe the size of a human hand, if not a smidge bigger. In contrast, the Victoria amazonica plant can hold a human hand, as well as the rest of a 300lb human body. That’s right; they’re like stepping stones in the water. The plant is the largest water lily ever discovered, and everything about it is big. The root itself is more than 26 feet long and the leaves and flowers can grow to be about 10 feet in diameter. This plant is not only large, but it changes colors. When its flowers bloom the first night, they are a pure white color. The next day they are pink. Despite its beauty, the plant is covered in piercing spines, except the flower, roots, and the pad itself.
Native to the Amazon River basin, the plant was first introduced to Europe in 1837 by John Lindley, and during this time people were nothing less than fascinated. It earned the name of the “giant water platter” but its scientific name was given in honor of Queen Victoria. The plant was so popular that there were competitions to see who could properly harvest the plant first. In 1849 the Duke of Devonshire proved to be the winner.

5. Hydnora Africana

Hydnora-Africana


Native to southern Africa, the Hydnora africana, a parasitic plant, is one that might permanently change your mind about sniffing flowers. It is probably most known for its disgusting scent, which is often compared to the smell of feces. The scent is disgusting but necessary for the plant’s survival, so that it can attract dung beetles, carrion beetles, and other pollinators. The plant traps these bugs and they are eventually released once it reopens. Not only does the plant smell bad, it also has no aesthetic properties to it either. It’s a dull brown/grey plant that has no leaves and truly looks like it has no life to it. The plant grows underground but the only part one can see is the fleshy flower that grows above ground.

The plant was first discovered and transplanted to California in 1973 by Sherwin Carlquist. Crazy as the idea seems, this plant is actually edible. The fleshy pulp-like flower can be eaten, which is often where all of the plant’s seeds are located. But who really goes close enough to this plant to take a bite out of it, let alone get past its smell?

4. Nepenthes


The Nepenthes plant is found in Indochina, Australia, and throughout the Malay Archipelago. It thrives in high humidity locations with average rainfall and a lot of light. With a name like monkey cup, how couldn’t it be a bit bizarre? The name is quite fitting as numerous people have observed monkeys drinking out of the plant. The plant was first described in 1658 as being about 3 feet high with 7 inch long leaves that hold a hollow flower. The hollow flower that is described is often full of a liquid that the plant produces on its own. The liquid is sometimes drunk by mammals, but its real purpose is to drown its prey. There is also a “lid” so to speak that covers the top of the flower that covers the liquid. There are high flowers, which hang from the vines, and low flowers which are closer to the ground.
Now, if you thought the Venus flytrap was bad for eating insects, you’ve heard nothing about the Nepenthes plant. This plant eats spiders, insects, scorpions, and centipedes; it has also been known to capture lizards, frogs, and even snails. Though not very common, it has occurred. If you’re interested in owning a Nepenthes plant you can purchase seeds and grow it in a greenhouse, but keep in mind, you’ll be responsible for manually feeding it insects (mostly crickets). Who doesn’t want a pet plant?

3. Dracunculus Vulgaris

Dracunculus-Vulgaris



Sometimes called the Stink Lily or the Dragonwort, the Dracunculus vulgaris gets its name from its shape. The plant has a long spadex that is often a black or very deep purple color that is surrounded by the spathe. The spadex is often referred to as the dragon that is hiding in the spathe. The plant is most often found in the Balkans, including Crete, Greece, and the Aegean Islands. However, researchers have been able to take it from these locations and harvest it within the U.S. in states such as Tennessee, Oregon, and California. They have also been taken to Puerto Rico.
The plant gets one of its nicknames from the smell that it gives off, which has been compared to the smell of rotting flesh. The smell attracts pollinators so that the plant can continue to grow. The good thing is that the smell is only temporary and does eventually go away. The Stink Lily is a very hardy plant that grows more each year. Plants can have more than 40 blooms at one time.

2. Rafflesia Arnoldii


The Rafflesia arnoldii is another plant on the list that isn’t known for its beauty or elegance, but for its order and size. It is extremely rare and it isn’t a plant you can just grow anywhere, placing it higher on this list. Like the Dracunculus vulgaris, it’s smell is very similar to rotting meat and this scent is needed to attract certain insects that will eventually pollinate the plant for further growth. The plant was named after Sir Stamford Raffles, a man who founded the colony of Singapore. You’ll find this plant in the Borneo and Sumatra rainforests as well as in the Indonesian Archipelago. Adding to it’s uniqueness, the Rafflesia arnoldii is considered to be the plant with the largest flower, which can weigh up to 24lbs and be as wide as 3 feet.
You won’t be able to walk through the rainforest and find many of these. The growing process for the plants take months and the flower itself only stays in bloom for a few days. At the same time many consider this plant to be on its way to extinction. Though the flower itself is highly interesting, the smell is sure to keep anyone away. The plant always grows 5 very thick petals that are generally a burnt-orange/red color.

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