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Blockchain is a form of distributed ledger technology, a digital system in which data is recorded across multiple places at the same time. Unlike traditional databases, DLTs have no central administrator or centralised data storage. They are transparent because the data is visible and, because they are automatically replicated and impossible to be tampered with, they are secure.

The main difference between blockchain and other forms of DLT is the way data is stored as ‘blocks’ – new transactions are added to the existing ‘chain’ of past transactions, hence the name ‘blockchain’. It is impossible to delete or modify information on the chain due to the replication of blocks across various locations.

Blockchain is mostly associated with cryptocurrency Bitcoin. Due to the inability to tamper with transactions, advocates say this makes the currency more secure and safer than traditional systems. It is maintained by a network of people referred to as ‘miners’, who receive rewards for solving complex mathematical equations that enable transactions to go through.

However, one of the major problems that has come to light has been the presence of illicit material buried in the Bitcoin blockchain, linking it to the dark web.

Other blockchain platforms can offer things like smart contracts, which are automatically implemented when specific conditions from all interested parties are reached, cutting the time involved and the risk of mistakes. Another use could be storing medical records, as patients can be confident their information cannot be changed. The technology can also be used in supply chains, voting and has the potential to used for storing property records.

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Wales 1 (Bale 45 3')

Croatia 1 (Vlasic 09')

1) The liquid nanoclay is a mixture of water and clay that aims to convert desert land to fertile ground

2) Instead of water draining straight through the sand, it apparently helps the soil retain water

3) One application is said to last five years

4) The cost of treatment per hectare (2.4 acres) of desert varies from $7,000 to $10,000 per hectare 

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• There are six libraries in Abu Dhabi emirate run by the Department of Culture and Tourism, including one in Al Ain and Al Dhafra.

• Libraries are free to visit and visitors can consult books, use online resources and study there. Most are open from 8am to 8pm on weekdays, closed on Fridays and have variable hours on Saturdays, except for Qasr Al Watan which is open from 10am to 8pm every day.

• In order to borrow books, visitors must join the service by providing a passport photograph, Emirates ID and a refundable deposit of Dh400. Members can borrow five books for three weeks, all of which are renewable up to two times online.

• If users do not wish to pay the fee, they can still use the library’s electronic resources for free by simply registering on the website. Once registered, a username and password is provided, allowing remote access.

• For more information visit the library network's website.

• The DMZ was created as a buffer after the 1950-53 Korean War.
• It runs 248 kilometers across the Korean Peninsula and is 4km wide.
• The zone is jointly overseen by the US-led United Nations Command and North Korea.
• It is littered with an estimated 2 million mines, tank traps, razor wire fences and guard posts.
• Donald Trump and Kim Jong-Un met at a building in Panmunjom, where an armistice was signed to stop the Korean War.
• Panmunjom is 52km north of the Korean capital Seoul and 147km south of Pyongyang, North Korea’s capital.
• Former US president Bill Clinton visited Panmunjom in 1993, while Ronald Reagan visited the DMZ in 1983, George W. Bush in 2002 and Barack Obama visited a nearby military camp in 2012. 
• Mr Trump planned to visit in November 2017, but heavy fog that prevented his helicopter from landing.

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Name: James Mullan

Nationality: Irish

Family: Wife, Pom; and daughters Kate, 18, and Ciara, 13, who attend Jumeirah English Speaking School (JESS)

Favourite book or author: “That’s a really difficult question. I’m a big fan of Donna Tartt, The Secret History. I’d recommend that, go and have a read of that.”

Dream: “It would be to continue to have fun and to work with really interesting people, which I have been very fortunate to do for a lot of my life. I just enjoy working with very smart, fun people.”

• Priority access to new homes from participating developers
• Discounts on sales price of off-plan units
• Flexible payment plans from developers
• Mortgages with better interest rates, faster approval times and reduced fees
• DLD registration fee can be paid through banks or credit cards at zero interest rates

• As per the document, there are six filing options, including choosing to report on a realisation basis and transitional rules for pre-tax period gains or losses. 
• SMEs with revenue below Dh3 million per annum can opt for transitional relief until 2026, treating them as having no taxable income. 
• Larger entities have specific provisions for asset and liability movements, business restructuring, and handling foreign permanent establishments.