""Shark teeth, despite being composed of highly mineralized phosphates, are still vulnerable to corrosion under future ocean acidification scenarios,""
""They are highly developed weapons built for cutting flesh, not resisting ocean acid. Our results show just how vulnerable even nature's sharpest weapons can be.""
""Since ocean acidification is known to damage calcified structures like corals and shells, we wanted to investigate whether shark teeth, especially in species... that s"
Sharks have existed for over 400 million years. Human-driven carbon dioxide emissions are acidifying the ocean, with about a third of emitted CO2 absorbed by seawater. Global ocean pH has fallen from 8.1 by roughly 0.1 units since the industrial revolution, representing about a 30 percent increase in acidity. Projections under current emissions suggest ocean pH could decline to about 7.3 by 2300. Acidifying seawater can corrode mineralized structures, and shark teeth and denticles can dissolve and weaken. Weakened teeth would impair feeding and defense, and tooth regeneration may not compensate for such damage.
Read at Futurism
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