Blubber has been harvested for centuries, yet only recently has it come to light that about half the volume of blubber consists of a complex mesh of collagen fibers wrapped around each animal.
Vaalaliste rasva on kogutud sajandeid, ometi saadi alles hiljuti teada, et umbes poole nende loomade keha ümbritseva rasva mahust moodustab keerukas kollageenkiudude võrgustik.