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On Monday, South Korea has named Korea Aerospace Industries Ltd as the preferred bidder for an ambitious deal involving the development of a new fighter jet.

The deal is considered to be as one of South Korea's most ambitious weapons development programs. The project is named as KF-X, Korean Fighter Experimental. The new fighter jet will replace the old fleet of F-4s and F-5s.

The South Korean contractor was of the view that it is a multibillion-dollar deal. Initial investment on the project is 8.7 trillion won and the total cost in the project would be more than double that amount.

More than 50% of the investment in the project will be from the Seoul and 20% will be from Indonesia and the remaining part will come from KAI and its technology-support partner Lockheed Martin Corp.

According to reports, after an unknown source hacked tens of thousands of British Airways (BA) frequent flyer accounts, the airline has locked down all of its attacked accounts. The airline announced about freezing its affected accounts on Sunday.

However, the hacker was not able to access or steal personal details of frequent flyers. BA also expressed apology to its customers and said that their accounts would be freed soon. The source of the hack is not yet known. But, it is assumed that the hacker used a computer program, which infiltrated BA's systems looking for vulnerabilities, before attacking online security.

According to experts, the euro dropped owing to uncertainty over whether Greece and its international creditors will strike a deal that will be helpful for Athens to secure funding before it runs out of money by April 20.

Discussions continued through the weekend on reforms to open loans and Athens sounded an upbeat tone. But according to lenders, it might take several days before an appropriate list of measures was ready. The dollar climbed broadly and was helped by comments from Federal Reserve chair Janet Yellen.

Yellen highlights the view that the Fed will possibly begin raising interest rates gradually later this year. The dollar mounted up 0.3% to 119.50 yen and the euro dropped 0.6 % to $1.0830.

It has been suggested by US pediatricians that children's liquid medicines must be measured in metric units to reduce the instances of overdose, common with teaspoons and tablespoons.

Dr. Ian Paul, a pediatrician at Penn State Milton S. Hershey Children's Hospital, said that many children reach to emergency rooms after accidental medicine overdoses every year and reason is often badly labeled containers or unclear directions.

"Even though we know metric units are safer and more accurate, too many healthcare providers are still writing that prescription using spoon-based dosing. Some parents use household spoons to administer it, which can lead to dangerous mistakes", said Paul, who is also lead author of new metric dosing guidelines from the American Academy of Pediatrics (AAP).

A terrifying-sounding new species of lobster-like marine creature has been discovered by scientists. The species, Yawunik kooetenayi, had swum in Earth's waters about 508 million years ago.

"Yawunik had evolved long frontal appendages that resemble the antennae of modern beetles or shrimps, though these appendages were composed of three long claws, two of which bore opposing rows of teeth that helped the animal catch its prey”, said boffins at the University of Toronto and the Royal Ontario Museum.

According to current and former intelligence officials, the National Security Agency (NSA) considered abandoning its secret program to collect and store American calling records in the months before leaker Edward Snowden revealed the practice.

Soon after the leak, NSA leaders strongly defended the telephone records plan to Congress and the public, without disclosing the internal debate.

According to present and former intelligence officials, the proposal to kill the plan was circulating among major managers but had not reached to the desk of Gen. Keith Alexander and to the NSA director.