New artifacts
More gold, less Surfer's Ear
September 17, 2019
A bony growth among the remains of Paleoindians from the Gulf of Panama reflects changes in their cultural activities over time
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Displaying 20 of 51 results.
Dried fish
Traditional fisherfolk help uncover ancient fish preservation methods
September 27, 2019
Modern fish preparation techniques leave behind bone fragmentation patterns resembling those found among fish remains in archaeological sites, revealing the antiquity of traditional butchering methods
Invasion
Jaguars could prevent a not-so-great American Biotic Exchange
January 15, 2020
Urban and agricultural development and deforestation along the Mesoamerican Biological Corridor might be generating a new passageway for invasive species adapted to human disturbance.
Sick and shunned?
Even fake illness affects relationships among vampire bats
March 12, 2020
How do social interactions change in the face of illness? As humans face potential global pandemics we look to nature for examples. Close observation of another highly social animal, the vampire bat, sheds light on how interactions change—or do not change—as individuals become sick.
Buried with snails
What animal bones tell us about the rise and fall of the Maya in Guatemala
May 18, 2020
Tens of thousands of tiny bone fragments reveal eating habits, ceremonial practices and the development of animal domestication during more than 2000 years of history.
Ancient diseases
The trace of suffering, in the bones
July 02, 2020
Human remains used to be considered a nuisance in archaeological excavations. Today they are considered a valuable source of information to understand the ways of life of prehistoric populations and their conditions.
Picky eater
Invasive lionfish may be a selective predator
July 30, 2020
By evaluating the diet choices of this species in a semi-natural environment, scientists could improve predictions of how it might affect newly invaded communities
Biodiversity is better
Biodiversity may limit invasions: Lessons from lizards on Panama Canal Islands
August 10, 2020
Lizards transplanted from the mainland to small islands in Lake Gatun, Panama, took their parasitic mites with them. What happened next provides great experimental evidence for the enemy release hypothesis.
Amphibian goddess
The ritual significance of a classic Maya sweat bath in Guatemala
October 23, 2020
An unusual offering in an abandoned and unique-looking structure revealed new evidence of the role it played in the community
Canal grass
Smithsonian scientist clears up Panamanian urban legend
November 30, 2020
How did canal grass arrive in Panama? STRI staff scientist Kristin Saltonstall compared the DNA of sugar cane relatives from around the world to find out.
