Ouf of the Water, Into the Lab

withAndrej Gajić

NationalGeographicExplorerandmarinebiologistAndrej Gajićstudiesashark's jaw.

OurChangingPlanet

LifeScience

Asyouread,thinkabout
howthisscientistusesobservationsandcollectsevidenceinorder
tounderstanda problem.