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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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Dead Zones May Threaten Coral Reefs Worldwide

Dead Zones May Threaten Coral Reefs Worldwide

March 27, 2017

Dead zones affect dozens of coral reefs around the world and threaten hundreds more according to a new study by Smithsonian scientists published in Proceedings of the National Academy of Sciences...

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Love potion for frogs

Love potion for frogs

March 09, 2017

Scientists at the Smithsonian Institution and the Smithsonian Conservation Biology Institute have published a paper that optimizes sperm collection protocols from the critically endangered Panamanian Golden Frog Atelopus zeteki...

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Lianas Can Suppress Tree Growth in Young Tropical Forests for Decades

Lianas Can Suppress Tree Growth in Young Tropical Forests for Decades

February 27, 2017

Lianas, or woody vines, have been proliferating relative to trees in some tropical forests...

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Researchers List Reasons Not To Lick a Toad<br/><small>New Review of Medicinal Compounds in Bufonidae Secretions Compiled</small>

Researchers List Reasons Not To Lick a Toad
New Review of Medicinal Compounds in Bufonidae Secretions Compiled

January 30, 2017

The cane toad and other members of the Bufonidae family produce substances widely used in traditional folk medicine, but endangered family members, like Panama’s golden frog, Atelopus zeteki, may disappear before revealing their secrets...

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Measuring trees with the speed of sound

Measuring trees with the speed of sound

January 16, 2017

Living trees can rot from the inside out, leaving only a hollowed trunk. Wood rot in living trees can cause overestimates of global carbon pools, timber loss in forestry, and poor tree health...

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