A group of German scientists tested the effects of a more acidic ocean on sharks’ teeth and found that future generations of sharks could have weaker teeth because of changing ocean chemistry. Ocean acidification is the ongoing decrease in pH ... .
PORTLAND, Maine -- 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 ... .
PORTLAND, Maine — 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 ... .