Jeopardy’s Clue Crew visits the Smithsonian’s National Zoo!

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The start of spring brought a cheetah cub boom to the Smithsonian Conservation Biology Institute (SCBI) in Front Royal, Va., where two large litters were […]

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As the world prepares to celebrate Global Tiger Day this Saturday, July 29, Great Cats keepers at the Smithsonian’s National Zoo have some big news […]

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Ashkii, a North American river otter, at the Smithsonian’s National Zoological Park

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On World Elephant Day–Saturday, Aug. 12, 2017–the Smithsonian’s National Zoo celebrated Ambika the elephant’s 70th birthday. Hear her keepers of more than 30 years talk […]

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 The zoo extends the collecting mission of the Smithsonian into the realm of the living. From the Series: Stories From the Vault: Random? http://bit.ly/2gfy5hO

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“Red Bird” from Dan Zanes and Friends’ album ‘Lead Belly, Baby’ featuring Ashley Phillips and Shareef Swindell, Smithsonian Folkways Recordings. To learn more click here: […]

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 This film depicts the Onward Brass Band parading through the French Quarter of New Orleans and picking up second liners along the way. The […]

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This new research has revealed that in areas considered unsuitable for farming today, "pre-Columbian farmers constructed thousands of raised fields in the seasonally flooded coastal savannas of the Guianas.

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Visits to the Smithsonian's National Zoo just became a little bit sweeter with the arrival of a new honeybee colony. With a hive made of glass in the Zoo's Pollinarium and full access to the outdoors, these bees are showing off the wondrous ways of their world.

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Botanists Gerhard Zotz of the Smithsonian Tropical Research Institute and Stefan Wester of the University of Oldenburg in Germany decided to take a closer look at these high-wire bromeliads. They were interested to find out how the growth and survival rates of these plants on electrical cables compared to the growth and survival of plants of the same species growing in trees--their natural environment.

The post Study reveals hazards of the high-wire life for bromeliads appeared first on Smithsonian Insider.

How do you recreate the ocean in a box? National Zoo Keeper Mike Henley talks about how he cares for the aquatic invertebrates in the Zoo's collection and how the National Zoo is also working to preserve them in their native habitats.

The post Coral “whisperer” Mike Henley of the National Zoo explains how he cares for the Zoo’s living coral appeared first on Smithsonian Insider.

A 48 million-year-old fossilized leaf has revealed the oldest known evidence of a macabre part of nature – parasites taking control of their hosts to turn them into zombies.

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Bird species in rainforest fragments in Brazil that were isolated by deforestation first disappeared and then reappeared during the next quarter-century.

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Studies at two remote Smithsonian Institution Global Earth Observatory sites in Panama and Thailand show the first evidence of long-term effects of nitrogen pollution in tropical trees.

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A new genetic analysis has revealed that many Amazon tree species are likely to survive human-caused climate warming in the coming century, contrary to previous findings that temperature increases would cause them to die out.

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A joint research initiative carried out by scientists from the Smithsonian Institution, Saint Louis University and the Universidad de Los Andes in Venezuela, has resulted in […]

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For centuries untold numbers of this tiny arachnid (cousin to spiders and ticks) have ended up in teapots, invisibly steeping alongside the leaves of the tea plant on which it lives.

The post Primitive, bizarre, beautiful: New mite species reveal a lost world awaiting discovery appeared first on Smithsonian Insider.

Why do we love orchids so much? Tom Mirenda, Smithsonian Gardens orchid collection specialist, believes it is partly because orchids seem to look back at […]

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Given its scale and diversity, the Smithsonian’s collection of 154 million items presents a unique digitization challenge. This video showcases a conveyor belt driven imaging […]

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Profound ideas don’t need to be complicated. A simple cube made of aluminum tubing, a centerpiece of a new exhibit “Life in One Cubic Foot,” […]

The post From Rochester to Polynesia, a simple cube unveils Earth’s dazzling biological diversity appeared first on Smithsonian Insider.

Named for Charles Darwin, the only known specimen of a newly discovered beetle, Darwinylus marcosi, died in a sticky battle in a gob of tree […]

The post Beetle and pollen trapped in 105 million-year-old amber reveal fourth major pollination mode in mid-Mesozoic appeared first on Smithsonian Insider.

Dead zones affect dozens of coral reefs around the world and threaten hundreds more according to a new study by Smithsonian scientists published in the […]

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Smithsonian’s MarineGEO (Marine Global Earth Observatory) conducts long-term research around the world on coastal marine ecosystems, including at their field station on Carrie Bow Cay […]

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When a mosquito lands and begins to feed, the saliva it deposits in the skin stops blood from coagulating and makes the bite itch. A […]

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To catch lizards on the offshore islands close to St. Croix in the Caribbean, Smithsonian herpetologist Nicole Angeli uses a lasso of thread looped at […]

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Millions, if not billions, of specimens reside in the world’s natural history collections, but most of these have not been carefully studied, or even looked […]

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 Mass Digitization of the living orchid collection maintained by Smithsonian Gardens.

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“One cannot think well, love well, sleep well if one has not dined well,” Virginia Woolf once said. Woolf’s sentiment is one that the staff […]

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No green thumb? You don’t need to water these dazzling orchids to enjoy them. More than 8,000 living specimens in the Smithsonian Gardens Orchid Collection […]

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This article aims to encourage practitioners, young and seasoned, by enhancing their structure-determination toolboxes with a selection of tips and tricks on recognizing and handling aspects of data collection, structure modelling and refinement, and the interpretation of results.

In the first reported crystal structure involving the potential ligand N,N',N''-tris­(2-pyridin­yl)-1,3,5-benzene­tricarboxamide, inter­molecular N—H⋯O hydrogen bonds link the mol­ecules via their amide groups into slanted ladder-like chains. Only two of the three amide groups in the mol­ecule are involved in hydrogen bonding, which influences the degree of out-of-plane twisting at each amide group.

In the structure of the title salt, second-order Jahn–Teller distortion of the coordination octa­hedra around V ions is reflected by coexistence of short V—O bonds and trans-positioned long V—F bonds, with four equatorial V—F distances being inter­mediate in magnitude. Hydrogen bonding of the anions is restricted to F-atom acceptors only, with particularly strong N–H⋯F inter­actions [N⋯F = 2.5072 (15) Å] established by axial and cis-positioned equatorial F atoms.

The cationic cyclo­metallated iridium(III) complex [Ir(C9H7N2)2(C12H8N2)](PF6) has been synthesized and crystallized by the inter-diffusion method. It contains an unknown number of solvent mol­ecules and has a different space-group symmetry (C2/c) structure than its solvatomorph (P21/c).

The new copper(II) complex [CuLCl2]2, where L is a product of Schiff base condensation between methyl­amine and 2-pyridine­carbaldehyde, is built of discrete centrosymmetric dimers.

The dihedral angle between the two aromatic rings of the title compound is 64.12 (14)°. The crystal structure is stabilized by a short Cl⋯H contact, C—Cl⋯π and van der Waals inter­actions.

In certain scenarios, a Subsystem Reference block changes its position. It can happen during: 

1. Loading of top model which contains the Subsystem Reference block 
2. Synchronization of Subsystem Reference block's contents
3. Converting a subsystem to Subsystem Reference block