Stockholm - Two Japanese researchers and an American were Thursday named winners of the 2009 Crafoord Prize for the discovery of two signal substances in the immune system that are linked to autoimmune diseases, the Royal Swedish Academy of Sciences said.

Tadamitsu Kishimoto, Toshio Hirano and Charles Dinarello were cited for "for their pioneering work to isolate interleukins, determine their properties and explore their role in the onset of inflammatory diseases."

The three jointly share the prize, worth 500,000 dollars.

During the 1970s and 1980s they isolated two signal substances - interleukins - in the immune system known as IL-1 and IL-6. The substances are released from white blood cells.

New Delhi, Jan 15 : The Indian Army commemorated its 61st Foundation Day by paying homage to the unknown soldier at the ''Amar Jawan Jyoti'' here on Wednesday.

Chiefs of the three wings of the armed forces, General Deepak Kapoor, Chief of Army staff, Admiral Sureesh Mehta, Navy Chief and Air Chief Marshall Fali Homi Major, Chief of the Air staff, offered floral tributes at the Amar Jawan Jyoti.

Washington, Jan 15 : A team of scientists has said that the earliest known braincase of a shark-like fish has shown that some assumptions about the early evolution of vertebrates are "completely wrong."

According to a report in National Geographic News, the specimen is of a 415-million-year-old Ptomacanthus, which is only the second known example of a braincase from an Acanthodian, a long-extinct group of fossil fish.

London, Jan 15 : Veteran actor Pa

Beijing - Chinese Prime Minister Wen Jiabao is to travel to travel to Berlin, Brussels and London after participating in the World Economic Forum in Davos, Switzerland in late January, officials said Thursday.

Foreign Ministry officials told Deutsche Presse-Agentur dpa that Wen planned to meet German Chancellor Angela Merkel in Berlin on January 28. German officials in Beijing did not confirm the meeting.

Melbourne, Jan 15 : Desperate win the "Best Job in the World", thousands of jobseekers are seen bragging, begging, singing, and even getting tattooed to become Great Barrier Reef's new caretaker.

A Queensland woman has tattooed a permanent advertisement for Hamilton island on her arm, to win the 150,000 dollars dream job.

More than 2000 jobseekers have applied for the dream job by Tourism Queensland, reports News. com. au

People from Mongolia, Romania, Turkey, Brazil and the Vatican are being seen bragging, begging, and singing in their 60-second video clips uploaded on the website.