Deadly Black Mamba

 Black Mamba is one of the most deadly creatures in the world, some experts have even called it “death incarnate.” In Africa it is the source of numerous myths and legends and it is widely known for being highly aggressive, very fast, and attacking without provocation. The scientific name of the black mamba is Dendroaspis polylepis. It is from a venomous snake family called Elapidae.

There are four species of mambas:                         
• Dendroaspis angusticeps - The eastern green mamba

• Dendroaspis jamesoni - Jameson’s mamba

• Dendroaspis polylepis - The black mamba

• Dendroaspis viridis - The western green mamba

   

      So you can understand Black mamba is one type of mamba species.

I think Black mamba is the most advance sanke in the world. Black mamba has the most highly evolved venom delivery system than any other snake on the earth. At a time it can strike up to 12 times though just one bite is enough for a adult. Technically Black mamba is not most venomous snakes in the world but they are considered as the most dangerous. The mortality rate of Black Mamba bite is almost 100%. So it is conform death after bite. Black mamba can deliver multiple envenoming bites in a single strike.

Black mambas are not really black in color. They are brown, gray or olive color. The inner part of their mouth is completely black that’s why they are called Black mamba. Black mamba shows its black mouth when it is in danger.

Female black mambas lay from 6 to 17 egg.

Black mamba have an average lifespan of 11 years.

Black mambas are very capable hunters they use venom to hunt different type of birds and small mammals.

Besides that Black mambas are longest African and second World longest venomous snakes. The average length of a Black mamba is 8.2 feet but the longest recorded till date is 14 feet.

They are one of the fastest snakes in the world they can travel 11km/hr. to 20 km/hr.

                                   

One in five is Chinese

China is famous for One in five :-

One in every five people in the world is Chinese. China’s population has reached to 1.379 billion in 2016. China’s population is four times more than United States. Apparently, one in five people in the world are Chinese. It is very strange that if you have five people in your family, so it must be one of them. It may be either your mum or your dad or you. 

China has the maximum number of college students anywhere in the world, So one fifth of the college student of the world live in this country. In 1949 when China was born the number of college students were only 117,000. But the last year the number has reached to almost 37 million.  In 1949, only 0.26% of Chinese teenager were attending college. Last year, that figure was 40% and in 2019 this figure will reach to 50%. Today, there are almost 2,900 colleges and universities in China. 

In the first screening test of young Chinese athletes has discovered that at least one in five are fake  about their age. An x-ray analysis of the bones of competitors in the Youth Games in the southern Chinese province of Guangdong discovered that 3,000 of the 15,000 athletes misguide their age.

One in five smartphones sold in Singapore in 2017 is from a Chinese vendor. 

One in every five Table Tennis Olympians is Chinese. 

A study shows that only one in five China’s people are interested to continue their family business. 

One in Five Books Sold in China is written by an International Author. 

In China, one in five children live in villages without their parents. 

One in five died in China due to Air pollution almost 1.6 million every year and 4000 per day. 

One in Five German company leave China for the decrease of their profit.

China punishes one million corrupt officials in five years .

                                         

Amazing facts about the Space Costume

 A Space Costume is specially designed for the astronaut. They wear the costume to protect himself or herself from the difficult environment of space. This costume is used inside the spacecraft to adjust the cabin pressure and make friendly with the unknown situation of the outside of spacecraft. The modern space costume is designed to keep the astronaut comfortable and to keep continue Oxygen supply.

     NASA used mainly three types of space costume - IVA (intravehicular activity),   EVA (extravehicular activity), and IEVA (intra/extravehicular activity).  IVA is used inside a pressurized spacecraft. EVA is used in the outside of a spacecraft. IEVA is use both in the inside and outside of a spacecraft. The first space costume was designed in 1930. The astronaut of Soviet Union Yuri Gagarin wear the first space costume in 1961 in the spacecraft Soviet SK-1. 

       There are various design of a space costume. All designer give stress on the comfort matter of a astronaut so that they freely done their mechanical and technical work. There are four process to design a space costume. 

             Soft costume - made of fabrics.  
             Hard-shell costume -  usually made of metal and do not use fabric.         
             Hybrid costume - hard-shell parts and fabric parts.             
             Skintight suits -  A heavy elastic body and  head is in a pressurized helmet.

        The space costume is not a commercial product and it is not sell in the open market. So it is difficult to determine the price. it's depend on the design and develop. The cost of a Space costume is around $300 to $500 million dollars.