Its bad enough when the toilet gets clogged at home; it could be a lot more serious in space, especially with visitors on the way. NASA said Wednesday that the liquid waste handling function of the to

A leading U.S. newspaper says U.S. President Barack Obama went nearly five years without knowing that his own spies were bugging the phones of world leaders, including German Chancellor Angela Merkel,

Matches made over the Internet often do not last because people end up choosing unsuitable partners and forming emotional bonds before meeting face-to-face, an Australian university researcher has fou

内容简介： In times of need, Japanese say they can even ask the cat for help. In this town in western Japan, people look to Tama, a nine-year-old cat working as master of an unmanned train station. Th