The researchers found preserved bone cells in the carapace, which exhibited structures like the nucleus of a cell, where DNA traces were found. Credit: Dr.…
Posts published in “Smithsonian Tropical Research Institute”
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Is It Cheaper To Be Bigger? Evolutionary Lessons From the Extreme Weapons of Giraffe Weevil Warriors
A female New Zealand giraffe weevil (Lasiorhynchus barbicornis) taken at Matuku Reserve. Credit: Christina Painting, CC BY-SA 4.0 Nepalese craftsman, Chandra Bahadur Dangi, holds the…
About 66 million years ago, a huge asteroid crashed into what is now the Yucatan, plunging the Earth into darkness. The impact transformed tropical rainforests,…
Hypothesized approach of a sleeping white-necked jacobin, Florisuga mellivora, by the fringe-lipped bat, Trachops cirrhosus. Credit: Illustration by Amy Koehler Poop is full of secrets.…
Caption: Left to right: Florentino Tunquipa who discovered and excavated the fossil tree on his land, Rodolfo Salas Gismondi, Carlos Jaramillo, Julia Tejada, Federico Moreno,…
Mother-pup pair of the greater sac-winged bat, Saccopteryx bilineata, in their daytime roost. The pup (dark fur color) is holding on to the mother’s belly…
An aerial view of a tropical forest along the eastern Pacific Ocean shoreline of Barro Colorado Island, Panama. Credit: Smithsonian Tropical Research Institute All living…
Even small soil samples contain vast numbers of microorganisms. Soil samples from different layers of soil wait to be analyzed in staff scientist Ben Turner’s…
Is Evolution Predictable? This study of Heliconius butterflies says that it isn’t. An international team of scientists working with Heliconius butterflies at the Smithsonian Tropical…
The composition of sclerites of this white and fan-shaped coral is characteristic for this species and differentiates it from others in the same genus. Credit:…
This is an Antrozous pallidus with a scorpion. Credit: Merlin Tuttle In the arms race between predators and prey, each evolves more and more sophisticated…