Picky eater
Invasive lionfish may be a selective predator
Julio 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
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Displaying 40 of 129 results.
Expedition
Two decades among the birds of Panama
Agosto 05, 2020
Between 1944 and 1966, Dr. Alexander Wetmore, a legendary ornithologist and Sixth Secretary of the Smithsonian Institution, investigated the avifauna of the Isthmus of Panama. This became the basis of his four-volume ‘The Birds of the Republic of Panama’. In this webinar, STRI anthropologist Dr. Stanley Heckadon-Moreno takes us for a historical and photographic journey across Dr. Wetmore’s expeditions in Panama, with the support of Dr. Pamela Henson, director of Institutional History at the Smithsonian Institution Archives.
Uplift
Fossil trees on Peru’s Central Andean Plateau tell a tale of dramatic environmental change
Agosto 28, 2020
As the Earth’s surface transforms, entire ecosystems come and go. The anatomy of fossil plants growing in the Andean Altiplano region 10 million years ago calls current paleoclimate models into question, suggesting that the area was more humid than models predict.
Slavery and Utopia
Peruvian Amazonian shaman rose to power on promises of liberation and immortality
Septiembre 14, 2020
Anthropologist Fernando Santos-Granero has pieced together the story of a change agent whose life spanned an important period in South American history in his book, Slavery and Utopia, now available in English and Spanish.
Hungry megaherbivores
How do Giraffes and Elephants alter the african savanna landscape?
Septiembre 15, 2020
Through their foraging behavior across the diverse topography of the African savanna, megaherbivores may be unknowingly influencing the growth and survival of vegetation on valleys and plateaus, while preserving steep slopes as habitat refugia.
Ñeques, ants and arachnids
A journey of growth and discovery
Octubre 09, 2020
The first time Dumas Gálvez saw the ant species Ectatomma ruidum under a microscope, he was just a little boy. He was immediately fascinated. A few decades later, as a postdoctoral fellow at the Smithsonian Tropical Research Institute (STRI), a professor in the entomology department at the University of Panama and a mentor to young scientists, he does research on that same ant species. Listen to him narrate every step of his academic journey: his experiences, mentors, mistakes and lessons learned.
Stars in the sea
How the ability to clone itself may empower a mystery globetrotter
Octubre 09, 2020
It always pays to think outside of the box. Rachel Collin decided to look further afield to find the adult form that matched a larvae from a plankton sample in Panama and was surprised by the result.
Sundance for Science
New nature documentary follows Smithsonian scientists underwater
Octubre 19, 2020
Deep reefs may represent one of the most diverse, underexplored ecosystems on the planet.
Guano secrets
DNA in fringe-lipped bat poop reveals unexpected eating habits
Octubre 26, 2020
The poop of Trachops cirrhosus revealed surprising results about its foraging abilities and prey preferences.
Darwinian Diet
You are what you eat: Evolutionary lessons from agricultural ants in Panama
Octubre 28, 2020
Just as contemporary human societies depend on large-scale agriculture, leaf-cutter ants depend on a long, co-evolved relationship with a fungus. As humans, we may share some of the same rules that govern their relationship.
