Science Newsflash

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

Close-up of ants on the forest floor

Ant Genomics Help Reshape Biological History of the Americas

Scientists have long believed that the Isthmus of Panama emerged from the ocean three million years ago, triggering a massive interchange of species between the Americas in its wake. However, recent conflict in both geological and biological literature suggests that this simple story is insufficient to explain the available evidence.

Chihuahua-sized fossil "beardogs" shed new light on evolution of dogs and their relatives

Fossil discoveries don’t always happen out in the field, with scientists armed with pick-axes realizing they’ve found something special. Sometimes, fossils lie in wait in museum collections until the right researcher comes along and realizes there’s something unusual about them. That’s what happened this time, and the fossils in question are prehistoric dog relatives called “beardogs.”

SUE Lends a Hand: Field Museum Scientists Remove T. rex’s Arm for Argonne Study

Two Field Museum scientists are leaving their labs and going face-to-face with SUE, the biggest Tyrannosaurus rex ever discovered, armed only with a wrench. And they’re going to take her arm off. SUE’s not just the world’s biggest T. rex—she’s also the best-preserved and most complete one. And that means that she contains a treasure trove of information for paleontologists to learn from.

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