Science Newsflash

Science Newsflash brings you the most current scientific news stories from The Field Museum. 

New Discoveries in How Animal Moms-to-be Feed Their Babies

  Pop quiz—what kinds of animal mothers feed their babies before birth? The first (and maybe only) ones to come to mind are probably mammals like us—moms-to-be funnel nutrients from their blood supply right to their developing embryos through an organ called the placenta; the moms literally “eat for two.” That’s a different kind of nourishment than you see in most other animals—the majority lay eggs with a nutritious yolk for the embryo to use as it develops.

Sawfish “Virgin Birth” Discovery

“Life, uh, finds a way.” Any Field Museum fan worth their salt probably remembers the scene in Jurassic Park where Jeff Goldblum’s character explains that even though all the dinosaurs in the park are female, they might still find a way to reproduce. But this isn’t science fiction—Field Museum scientists have recently helped discover that smalltooth sawfish, critically endangered shark relatives, sometimes reproduce through “virgin birth.”

Subscribe to RSS - Science Newsflash