 
                    
            Crocodiles Are losing Their Teeth Due to Lead Poisoning, Finds Study
        Researchers have found that lead poisoning is responsible for the loss of crocodile teeth in a lake at a World Heritage site in South Africa. The study sampled blood and adipose tissue from the tails of 25 blue crocodiles on St Lucia    
    
        
     
								

 
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                    