Whales accumulate layers of earwax over their lifetimes, forming “earwax plugs.” These plugs reveal their age and even details about their diet, stress levels, and exposure to pollutants. #sciencefacts #science #whales #earwax #earwaxplugs #age #diet #stresslevels #pollutants

Whales accumulate layers of earwax over their lifetimes, forming “earwax plugs.” These plugs reveal their age and even details about their diet, stress levels, and exposure to pollutants.

#sciencefacts #science #whales #earwax #earwaxplugs #age #diet #stresslevels #pollutants