Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those weapons at risk.

Sharks are famous for fearsome teeth, but ocean acidification could make them weaker

The fearsome teeth that define sharks as the ocean's apex predators, and are crucial for their survival, are now under threat from changing marine chemistry. A new study suggests that increasing ocean ...

Great white sharks have a reputation for being some of the most ferocious animals in the ocean, owing in part to their mouth full of sharp, serrated teeth. Most people believe that they are born as ...

Courthouse News Service: Sharks are famous for fearsome teeth, but ocean acidification could make them weaker

The meaning of BEHIND is in the place or situation that is being or has been departed from. How to use behind in a sentence.

Define behind. behind synonyms, behind pronunciation, behind translation, English dictionary definition of behind. adv. 1. In, to, or toward the rear: We walked behind.

BEHIND definition: 1. at the back (of): 2. In baseball, if the pitcher (= the player who throws the ball) is behind…. Learn more.

BEHIND definition: at or toward the rear of. See examples of behind used in a sentence.

If something is behind a thing or person, it is on the other side of them from you, or nearer their back rather than their front. I put one of the cushions behind his head. They were parked behind the truck.