“Unnatural” Selection
Humans driveevolutionof conch size
March 21, 2014
Thousands of years of hunting has turned a substantial meal into a bite-sized snack.
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Displaying 10 of 72 results.
The Pre-Columbian Deer Hunter
What stories do old deer bones tell?
May 09, 2014
To better explain how deer populations have declined throughout tropical America, one researcher delves into a collection of 2,500 deer bones at the Smithsonian archaeology lab in Panama.
Window to the past
How long has Central America been so biologically diverse?
September 28, 2017
20-million-year-old fossil seeds shed light on origins of plant biodiversity in Panama.
Declining reefs
What were Caribbean coral reefs like before humans?
September 29, 2017
Fossil reefs from around the Caribbean show how biologically rich these ecosystems once were — and provide goalposts for conservationists hoping to restore them.
Maya Dog Mystery
First Evidence of Live-traded Dogs for Maya Ceremonies
March 21, 2018
At one of the oldest Maya sites, STRI staff archaeologist, Ashley Sharpe, discovered dog bones from the Guatemalan highlands deep within two pyramids.
Flowers from Darkness
“Tropical forests are the result of an accident of history.” - Carlos Jaramillo.
April 23, 2018
About 66 million years ago, a radical change on the Earth filled tropical forests with flowers. A new catalog of fossil pollen grains may hold an explanation.
Redefining Pristine
Modern marine oxygen-deficiency research inspires search for fossil record
May 11, 2018
Smithsonian scientists who documented massive mortality of corals and reef organisms meticulously studied one of the apparent causes: oxygen deficiency. A Smithsonian paleobiologist asks if the recent fossil record shows signs of similar hypoxia events.
Q?Bus
The Smithsonian takes to the streets in Panama
June 13, 2018
Designed to share a hands-on-science experience, the new, brightly-painted van will make it possible for kids and adults to participate in the excitement of the discovery process in cities and towns across Panama.
Not Resilient
Old Species Learn New Tricks…Very Slowly
August 23, 2018
Perhaps old species, like some older people, gradually lose their ability to deal with changes in their environment. Aaron O’Dea and colleagues show that when the Caribbean was cut off from the Pacific by the rise of the Panama land bridge, evolutionarily old species took longer to expand into new habitats than evolutionarily younger species did.
Pre-Columbian burials
Violence in Pre-Columbian Panama Exaggerated, New Study Shows
September 24, 2018
An oft-cited publication said a pre-Colombian archaeological site in Panama showed signs of extreme violence. A new review of the evidence strongly suggests that the interpretation was wrong.
