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Tropical Tree Roots Represent an Underappreciated Carbon Pool

Tropical Tree Roots Represent an Underappreciated Carbon Pool

October 27, 2017

In a unique study of tropical tree roots at the Smithsonian Tropical Research Institute published in PLOS ONE, roots accounted for almost 30 percent of the total biomass of young trees...

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Scientists Edit Butterfly Wing Spots and Stripes

Scientists Edit Butterfly Wing Spots and Stripes

September 29, 2017

An international research team working at the Smithsonian Tropical Research Institute in Panama knocked out a single control gene in the DNA of seven different butterfly species...

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Smithsonian Manatee Count Informs Policy Recommendations

Smithsonian Manatee Count Informs Policy Recommendations

August 28, 2017

All three of the world’s manatee species are threatened with extinction: the Amazonian Manatee, the African Manatee and the West Indian Manatee...

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Litter Bugs May Protect Chocolate Supply

Litter Bugs May Protect Chocolate Supply

July 17, 2017

Those who crave brownies or hot cocoa may be happy to hear that heroes too small to be seen may help to protect the world’s chocolate supply...

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Is This the Long-Sought Answer to the Question of Tropical Biodiversity?

Is This the Long-Sought Answer to the Question of Tropical Biodiversity?

July 03, 2017

Visitors to the tropics are amazed by the huge variety of colorful, complex and sometimes ferocious creatures living near the equator...

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Lianas Stifle Tree Fruit and Seed Production in Tropical Forests

Lianas Stifle Tree Fruit and Seed Production in Tropical Forests

June 19, 2017

Woody vines, known as lianas, compete intensely with trees. Their numbers are on the rise in many tropical forests around the world. A new study at the STRI...

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Why Was a Teenager With Bone Cancer Buried on Witch Hill in Panama?

Why Was a Teenager With Bone Cancer Buried on Witch Hill in Panama?

June 05, 2017

A new report by Smithsonian archaeologists and colleagues in the International Journal of Paleopathology identifies a bone tumor in the upper right arm of an adolescent who was buried in about 1300 AD in a trash heap at a site in western Panama...

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Predators Are Real Lowlifes

Predators Are Real Lowlifes

May 22, 2017

By deploying green clay caterpillars across six continents, researchers unmasked an important global pattern. Their study is published in Science, May 19...

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Smithsonian Scientists Find That the Earth Sank Twice, Flooding the Western Amazon

Smithsonian Scientists Find That the Earth Sank Twice, Flooding the Western Amazon

May 08, 2017

A tiny shark tooth, part of a mantis shrimp and microscopic marine organisms reveal that as the Andes rose, the Western Amazon sank twice, each time for less than a million years...

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Egg-Sitting Glassfrogs Create Safe Exit for Tadpoles

Egg-Sitting Glassfrogs Create Safe Exit for Tadpoles

April 10, 2017

Smithsonian scientists documented previously unknown parental-care behavior using detailed observations of 40 species of glassfrogs in Central and South America...

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