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A male mudflat fiddler crab ( Uca rapax ) waves its huge claw to impress females and threaten competitors. Only the males have the large claw. When the tide is high, fiddler crabs retreat to their...
Jorge and I packed up the night we arrived in Panama with Aaron O'Dea and his team from STRI . The road we took in two field vehicles mostly followed the Panama Canal heading northwards; we had to...
Dive into the Gulf of Mexico without getting wet! The Smithsonian has recently uploaded some of its marine collections from that region onto Google Earth's Ocean Layer . Now you can go where our...
Smithsonian scientists and their colleagues are investigating important questions and issues related to mangrove ecosystems. • At the Smithsonian Marine Field Station on Carrie Bow Cay in Belize ,...
Dr. Ilka C. "Candy" Feller calls mangroves the 'nursery of the sea.' These important coastal habitats face many threats, including nutrient pollution from fertilizer runoff. That's the focus of much...
For over a decade, Smithsonian Arctic Archaeologists have been investigating an early European whaling site at Hare Harbor in Quebec, Canada . The site and the artifacts that have been recovered has...
Seagrasses growing on the seafloor of the Chesapeake Bay rely on light to grow—but, thanks to pollution, that sunlight has become more scarce. Nutrient runoff from fertilizers causes microscopic...
I am once again leaving my familiar world behind and descending into the abyss below. The first dive of an entirely new expedition is the most magical. I am a member of a scientific research dive...
Dennis Whigham, Senior Botanist, Smithsonian Environmental Research Center
Monodontids, the group of whales that includes living belugas and narwhals, are emblematic symbols of the Arctic. However, the fossil record shows that these animals had a much larger range than the...
In the aftermath of the Gulf oil spill, what is the effect of oil on invertebrates like jellyfish, clams, crabs, sea stars, and plankton? The scope of the damage is more easily observed among birds...
Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the Smithsonian's National Museum of Natural History (NMNH), set out with Jorge Velez-Juarbe, NMNH Research Student and Ph...
On August 23, 2011 a magnitude 5.8 earthquake struck the East Coast of the United States. The earthquake map shown here, generated by the U.S. Geological Survey and regional seismic network operators...
Boring sponges get a bad rap. Their own name betrays them, announcing to the world that they are unexciting, ordinary and quite frankly, boring. However, if ever a misnomer existed, this is it. More...
At the Smithsonian Tropical Research Institute in Panama, Dr. Wayne Sousa (right) studies how gaps in the canopy caused by lightning help mangrove forests regenerate. More about mangroves can be...
Geo-archaeologist Jean-Daniel Stanley studies ancient settlements submerged near Egypt’s Nile Delta. Analyzing how natural and human-induced processes caused their sinking may help us protect...
Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the Smithsonian's National Museum of Natural History (NMNH), set out with Jorge Velez-Juarbe, NMNH Research Student and Ph...
One of the ocean's tiniest organisms often does the most harm. Microscopic algae can grow rapidly to form harmful algal blooms (sometimes called "red tides"), which create unhealthy water conditions...
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