Yet the International Shark Attack File reports that the number of shark attacks has, in fact,decreased in recent years.

VOA: special.2009.06.16

They all died. And it was--not everybody, but in France 1,500,000 people died, and that's a huge demographic chunk, it's like a big shark took a big bite out of your basic pyramid of your demographic tree.

都死了,的确是,倒不是所有人,但是在法国有一百五十万人阵亡,这在人口比例中占很大一部分,就好像一个大鲨鱼照着,人口树的基底咬了一大口

耶鲁公开课 - 1871年后的法国课程节选

George Burgess leads the International Shark Attack File at the Florida Museum of Natural History of the University of Florida.

VOA: special.2009.06.16

Recently, experts on both sides of the Atlantic Ocean were interested in a huge basking shark discovered in eastern Canada.

VOA: special.2009.06.16

For example,a group called Shark Safe helped prevent the killing of sharks at a fishing competition in Florida earlier this month.

VOA: special.2009.06.16

State lawmakers in California are considering a bill that would make it illegal for people to have,sell or distribute shark fins.

VOA: special.2011.03.15

One reason is that overfishing of sharks and related fish has reduced the size of some shark populations.

VOA: special.2009.06.16

The International Shark Attack File says the number of shark attacks rose twenty five percent last year.

VOA: special.2011.03.15

You can track a shark that swims from Australia all the way to southern Africa and back.

VOA: special.2009.03.25

But the Shark Safe Project said the stated goal of "bringing in the big one" would lead to killing of the biggest sharks.

VOA: special.2009.06.16

One theory is that the shape developed over the ages to improve this shark's sense of smell.

VOA: special.2010.08.03

Rob Stewart explains that people fear sharks because of media stories and movies about shark attacks.

VOA: special.2009.04.03

The movie says that the world's shark population has dropped by an estimated ninety percent.

VOA: special.2009.04.03

They know that studies show lightning and snakebites hurt more people than do shark attacks.

VOA: special.2011.03.15

But they say the next person who comes near the shark may be in trouble.

VOA: special.2009.06.16

Shark fin soup is usually served at weddings and at banquets, and it's very expensive."

VOA: special.2011.03.15

But scientists now can show that differences between the time when a shark's nostrils receive smells is more important than the strength of the odors.

VOA: special.2010.08.03

The British scientists had requested the pictures to learn if the shark was the same fish they had observed on their side of the Atlantic.

VOA: special.2009.06.16

Fisheries can earn a lot of money for even one kilogram of shark fins.

VOA: special.2009.06.16

He says that elephant attacks kill far more people a year than shark attacks.

VOA: special.2009.04.03

Fishermen cut off the shark's fins and throw the animal back into the water.

VOA: special.2009.06.16

Under the Initiative, people could not bring a killed shark to a participating marina.

VOA: special.2009.06.16

Some might enjoy riding bicycles through Shark Valley, while others may want to move slowly through shallow waters where insects and wildlife can be seen up-close.

VOA: special.2009.06.30

They know that studies show lightning and snakebites threaten people more than shark attacks.

VOA: special.2009.06.16

He said scientists removed the head and some backbones from the shark for examination.

VOA: special.2009.06.16

The smells were from squids -- a favorite meal of the smooth dogfish shark.

VOA: special.2010.08.03

The International Shark Attack File describes shark attacks as either provoked or unprovoked.

VOA: special.2011.03.15

The lines below the picture say the shark was a very big one.

VOA: special.2009.06.16

The Institute is an educational center that also operates a shark research program.

VOA: special.2009.06.16

In "Sharkwater," Rob Stewart uncovers the illegal shark fin trade in Costa Rica.

VOA: special.2009.04.03