, this is the first time cocaine has been found in wild sharks.Scientists from Brazil studied 13 sharks caught by fishermen near Rio de Janeiro. They found the drug (毒品) called cocaine in the sharks’ bodies ……

HOUSTON: The Houston Rockets sent a high-profile delegation to China to meet for the first time with China's Shanghai Sharks to discuss the possibility of taking 2.23-metre Chinese centre Yao Ming ……

. This time scientists followed the movements of three species of sharks: tiger, thresher (长尾... use of Earth’s magnetic field, the directed walks found in the study also suggest that the sharks may ……

species first before impacting smaller ones over time, according to the International Union... shark (远洋白鳍鲨) and great hammerhead（锤头鲨）. The study found the decline hit the largest species first ……

in the first place. Do not hang out with drug users or traffickers. Be careful when you go to KTV and bars, where drugs are found frequently. Even when you are tricked into taking drugs for the first time ……

event) was the first drug cheat to be caught at the Games when testing was introduced in Mexico... 100 metre gold was propelled by a performance-enhancing drug, authorities found.The roster of world ……

the fish. This happened time and time again. Even though the small fish were swimming freely, the shark.... It tried many times but couldn’t get the fish. This happened time and time again. Even though the small ……

an iron mineral called magnetite in their bodies. Sharks, however, do not possess magnetite...A TEAM of marine biologists at Hawaii University in the US have confirmed that sharks can detect ……

) a whale fall in the South China Sea (中国南海). This is the first whale fall ever found in China. ... (中国南海). This is the first whale fall ever found in China. After the whale falls to the bottom ……

) a whale fall in the South China Sea (中国南海). This is the first whale fall ever found in China. ... (中国南海). This is the first whale fall ever found in China. After the whale falls to the bottom ……

the first time we try something, we don’t see the same effect the second time. For example, the first time... of cancers 20 and 30 years later. First, they found that giving very high amounts of aspirin helped ……

鲨鱼杀人：是捕猎本能，还是出于对人类的好奇？
(黄昏) and dawn (黎明), the main feeding time for sharks. Swim with goggles (护目镜) so you can see... types of sharks, only 27 of them are known to attack humans. The 4 most dangerous sharks are the great ……

警惕！滥用抗生素后患无穷。WHEN antibiotics (抗生素) were first used in the 1940s, they were called “the wonder drug..., antibiotics have become a threat to human lives, said a report by the UK government on Dec 12.Our bodies ……

Smith. Is this the first time for you in China?M: No, it’s the third time. I’ve been to Beijing and Shanghai but I didn’t like them. This is the first time I’ve been to Tianjin. I’ve been pretty ……

! However, we have only explored a small part of the ocean. We have found just one-third of the ocean’s species. It’s time to dive2 into the deep and find out more of its secrets!  ……