A zookeeper's hands on the paw of a sedated polar bear named Inuka, in an examination room at the Singapore Zoo, April 25, 2018.
In this May 4, 2007, file photo, then seventeen-year-old Inuka the polar bear emerges from the water at the zoo in Singapore. Inuka, the world's first polar bear to be born in the tropics, was put down by the Singapore Zoo on Wednesday, April 25, 201
In this May 29, 2013, file photo, Inuka, the first polar bear born in the tropics, swims in his new enclosure at the Singapore Zoo in Singapore. Inuka, the world's first polar bear to be born in the tropics, was put down by the Singapore Zoo on Wedne
In this Dec. 26, 2013, file photo, Inuka, the first polar bear born in the tropics eats his birthday cake in his enclosure at the Singapore Zoo in Sinagpore. Inuka, the world's first polar bear to be born in the tropics, was put down by the Singapore
VIDEO: Scientists in Singapore designed the robot to do the delicate work quickly.
PHOTO: Robots assemble an Ikea chair at Nanyang Technological University in Singapore, April 17, 2018.
FILE - In this March 8, 2018 file photo, from left, Singapore's Minister for Trade and Industry Lim Hng Kiang, New Zealand Trade Minister David Parker, General Secretary Ministry of International Trade and Industry of Malaysia Y.bhg. Datuk J. Jayasir
PHOTO: Sunseap, a clean energy provider, manages 32 megawatts of solar panels on more than 800 rooftops in Singapore.
This July 7, 2016 photo provided by Erum Rizvi Photography shows guests who traveled from Singapore, India and the United States gathered at a table watching the entrance of the bride and groom during the wedding reception of Namrata Dadlani and Tris
A security guard stands at the entrance to the Grab office Monday, March 26, 2018, in Singapore. Grab, a fast growing Southeast Asian ridesharing, food delivery and financial services business, said Monday that Uber will take a 27.5 percent stake in