Deceiving plumage
Female Hummingbirds look like males to avoid harassment
August 31, 2021
Colorful female Jacobins in the wild may feed more frequently and for longer periods than their drab counterparts
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Displaying 40 of 55 results.
Special Feature
Scientists share lessons about the Anthropocene’s impact on tropical forests
September 28, 2021
Nine articles explore impacts of ancient human societies on tropical ecosystems, revealing the importance of incorporating the paleosciences, social sciences and Indigenous traditional knowledge to solve contemporary environmental challenges.
Crabosaur
Unique dinosaur-era fossil bridges a gap in the evolution of crabs
October 21, 2021
The oldest and most complete fossil crab ever discovered suggests that these animals ventured onto land at least 25 to 50 million years earlier than previously thought
Fortuitous discovery
Accidental tree wound reveals novel symbiotic behavior
January 07, 2022
A group of high school students describe how Azteca alfari ants respond to damage to their host plant
Fossil leaves
What the leaves tell us: stories of extinction and the origins of tropical forests
April 26, 2022
Plant leaves show us the species that exist in a forest, and the ecological conditions in which they live. These attributes can also be observed in fossil leaves, which allows us to reconstruct forests that existed millions of years ago and understand how they have changed over time. In this talk we will talk about how fossil leaves tell us about the effect of a mass extinction 66 million years ago, on the evolution of modern tropical forests.
A rocky start
Unique agates on a Panamanian island reveal submarine volcanic activity
May 05, 2022
Giant agates found in an island on the Pacific coast of Panama prompted a study on the area’s geology to answer the question of how the Isthmus evolved and became a bridge between two continents.
Palm pollinators
Not such evil Weevils
May 26, 2021
Join Brazilian biologist, Bruno de Medeiros, as he explores mysterious trade-offs between plants and their pollinators and why they are important to the Brazilian economy and ecosystems.
Gallant Storyteller
Anthony G. Coates, Senior Scientist Emeritus (1936-2022)
December 15, 2022
Geologist Tony Coates changed the way we think about the ground under our feet. He confirmed the date when North and South America were connected at about 3 million years ago. We remember Tony not only as a skilled field geologist, but as a kind person and storyteller, who captured the imagination of scientists and non-scientists alike with his ability to spin a tale.
Caribbean asphyxiation
Desperate brittlestars, suffocating corals and resilient microbes: First multidisciplinary data from an acute marine hypoxic event and its historical context
July 29, 2021
In September 2017, divers observed a massive “dead zone” rising to envelop Caribbean coral reefs in Bocas del Toro, Panama. Smithsonian post-docs joined together to understand marine hypoxia now and in the past.
Confined
Isolation led white-faced capuchin monkeys into the Stone Age
July 21, 2020
After 14 thousand years of living in confinement and without the threat of predators, the white-faced capuchin monkeys on the Coiba National Park islands have begun to exhibit behaviors that have not been recorded in the mainland populations. For example, they are highly terrestrial and have learned to use stones as tools. Listen to doctoral student in animal behavior and former STRI fellow, Claudio Monteza, tell us this story.
