ThelargestswarmofrobotsintheworldlivesonatableinalabatHarvardUniversity. Eachaboutthesizeofasushiroll,withthreespindlylegs,therobotsareallloadedwiththesameprogrammeandgivenasimpleblack-and-whitepicture. Whenall1,000aregiventhegosignal,indiv
一.為什么要選擇新托福? 具有挑戰(zhàn)性自然不必說了,最重要的一點(diǎn)是它有用、實(shí)用。聽力段子的內(nèi)容非常up-to-date,更新很快,是北美校園課堂的真實(shí)再現(xiàn),只要能通過這個(gè)考試,很少出現(xiàn)高分低能的情況。對(duì)于暫時(shí)不打算出國(guó)留學(xué)的考生來講,在求職、實(shí)際工作方面
諾獎(jiǎng)得主警告美國(guó)股市泡沫 Fears mount over US stocks bubble 英國(guó)《金融時(shí)報(bào)》 投資編輯約翰˙奧瑟茲 紐約報(bào)道 A growing number of investors believe that US stocks are overvalued, creating the risk of a significant bear market, according to res
Transcript: According to ecologists, having a personality means showing a consistent pattern of behaviour over time. Researchers from the University of Arizona studied colonies of rock ants across the western US, both by following them in
Transcript: The Federal Reserve has been pumping money into the US economy by buying $85bn of bonds each month. From January, it will cut the figure to $75bn. And it has signalled that it will further reduce the scale of its bond buying if
Transcript: Its been history in the making. The people of Scotland have decided to continue their 300-year union with England. So the UK survives. Pro-independence campaigners say theyre disappointed, but insist the high turnout shows ther
Transcript: Theres something rotten in Rio - and the smell is coming from the huge stacks of rubbish piled up on sidewalks all over the city. Rios street sweepers chose the carnival holiday to demand better salaries. Their wages start at r
Transcript: The two suspects were carrying fake bond certificates with a face value of some four trillion dollars, and were allegedly hoping to open a line of credit at the Vatican bank. This bank - called the Institute for Religious Works
Transcript: Millions of tourists are drawn each year to the Grand Canyon to see its impressive rocks, which record nearly two billion years of Earth history. Running for almost 450km and to a depth of 1,800m, it is almost too vast to take
Transcript: Whatever measure you choose, Chinese tourists now top the global rankings. Last year just shy of 100 million Chinese made foreign trips. And collectively they spent well over $100bn overseas outstripping any other nationality.