MoreSignsofTrouble
Gajićhasfoundthatmanysharkseatplastic,too.Plasticeatingandsharkdiseaseshavesomethingincommon.Botharecausedby pollution.
![](/nationalgeographic/pioneer_april_2020/more_signs_of_trouble_and_next_steps/710127/NGX0420_EE_22.640_0_1.jpg)
Gajićstudiessharksincaptivity, too.
NextSteps
Gajićhasalotofworktodostudyingsharks.Hesaystherearemanythingsthatkidscandotohelp.Practicecitizenscience.Isthereabeachnearyou?Takeawalk.Youmayfindsharkeggcases.Takeaphoto.UploadittoiNaturalist.Helpscientistslearnwheresharksare living.
Learnwhatyoucandotohelpsharks.Themoreweknow,theeasieritwillbetohelpallliving things.
Gajićwithahuge jellyfish
![](/nationalgeographic/pioneer_april_2020/more_signs_of_trouble_and_next_steps/710125/NGX0420_EE_23.640_0_1.jpg)
anegg case
![](/nationalgeographic/pioneer_april_2020/more_signs_of_trouble_and_next_steps/710126/iNaturalist.256_0_1.png)
iNaturalist isacitizenscienceproject.Tolearnhowtousethisfreeapp, goto:www.inaturalist.org