Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...
One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...
Analyzing over 9,000 fossil shark teeth reveals that today’s sharks occupy less ecological space than their ancient counterparts. (Maggie Martorell/Miami Herald/Tribune News Service via Getty Images) ...
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