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How much is the Hope Diamond worth? Ask Smithsonian.

Our inquisitive readers are rising to the challenge we gave them last month. The questions are pouring in and we’re ready for more. Do you have any questions for our curators? Submit your questions here.

How much is the Hope Diamond worth? — Marjorie Mathews, Silver Spring, Maryland

That’s the most popular question we get, but we don’t really satisfy people by giving them a number. There are a number of answers, but the best one is that we honestly don’t know. It’s a little bit like Liz Taylor’s jewels being sold in December—all kinds of people guessed at what they would sell for, but everybody I know was way off. Only when those pieces were opened up to bidding at a public auction could you find out what their values were. When they were sold, then at least for that day and that night you could say, well, they were worth that much. The Hope Diamond is kind of the same way, but more so. There’s simply nothing else like it. So how do you put a value on the history, on the fact it’s been here on display for over 50 years and a few hundred million people have seen it, and on that fact it’s a rare blue diamond on top of everything else? You don’t. – Jeffrey E. Post, mineralogist, National Museum of Natural History

What’s the worst impact of ocean acidification so far?- Nancy Schaefer, Virginia Beach, Virginia

The impacts of ocean acidification are really just starting to be felt, but two big reports that came out in 2011 show that it could have very serious effects on coral reefs. These studies did not measure the warming effect of carbon dioxide in the atmosphere, but rather its effect of making the ocean more acidic when it dissolves in the ocean. Places where large amounts of carbon dioxide seep into the water from the sea floor provide a natural experiment and show us how ocean waters might look, say, 50 or 100 years from now. Both studies showed branching, lacy, delicate coral forms are likely to disappear, and with them that kind of three-dimensional complexity so many species depend on. Also, other species that build a stony skeleton or shell, such as oysters or mussels, are likely to be affected. This happens because acidification makes carbonate ions, which these species need for their skeletons, less abundant.

Nancy Knowlton, marine biologist
National Museum of Natural History

Art and artifacts from ancient South Pacific and Pacific Northwest tribes have similarities in form and function. Is it possible that early Hawaiians caught part of the Kuroshio Current of the North Pacific Gyre to end up along the northwest coast of America from northern California to Alaska? — April Croan, Maple Valley, Washington

Those similarities have given rise to various theories, including trans-Pacific navigation, independent drifts of floating artifacts, inadvertent crossings by ships that have lost their rudders or rigging, or whales harpooned in one area that died or were captured in a distant place. Some connections are well-known, like feather garment fragments found in an archaeological site in Southeast Alaska that appear to have been brought there by whaling ships that had stopped in the Hawaiian Islands, a regular route for 19th-century whalers. Before the period of European contact, the greatest similarities are with the southwest Pacific, not Hawaii. The Kushiro current would have facilitated Asian coastal contacts with northwestern North America, but would not have helped Hawaiians. The problem of identification is one of context, form and dating. Most of the reported similarities are either out of their original context (which can’t be reconstructed), or their form is not specific enough to relate to another area’s style, or the date of creation cannot be established. To date there is no acceptable proof for South Pacific-Northwest Coast historical connections that predates the European whaling era, except for links that follow the coastal region of the North Pacific into Alaska.

William Fitzhugh, archeologist
Natural History Museum

Giants and patriots come in all forms, as seen in "Giant Demon Attacks a Ship," an Indian watercolor ca. 1775. Photo courtesy of the Freer and Sackler Galleries

Take a look at our photo gallery of giants and patriots in the Smithsonian Institution.

In honor of Super Bowl Sunday, we’ve come up with our own contest of “giants” and “patriots.” A disclaimer, though: it has nothing to do with football. We’ve combed through archives and collections across the Smithsonian Institution to come up with a unique set of patriots and giants for you to check out to get ready for the game.

If you’re a Giants fan, we’ve got everything from giant pandas to giant sequoias to “Elaganeek: the Eskimo Giant.” “Giant’s Thumb,” a 1926 woodcut by Howard Cook in the American Art Museum, depicts one of the artist’s favorite natural spots in New Mexico, his adopted home.

For New England fans, though, the Smithsonian is filled with patriots both real and invented. Uncle Sam, of course, is the country’s iconic patriot, but real-life figures like George Washington and Samuel Adams were the original embodiments of patriotism during the birth of the country. The concept of patriotism is so powerful that the U.S. military has named missiles after it.

“Giant Demon Attacks a Ship,” an Indian watercolor painted by a Jain artist sometime around 1775, is the one piece that Giants fans might interpret as a good omen for the game. In the painting, a large blue demon seems poised to destroy a British ship, filled with sailors dressed not so differently from the Patriots original mascot, Pat Patriot. Watch on Sunday to see how the real life matchups turns out.

The Art of Video Games exhibit opens at the American Art Museum on March 16.

We know you’ve got enough “looking forward to 2012″ lists under your belt by now; our Who to Follow post alone will keep you pretty busy. But we can’t resist sneaking in just one more. Here’s our guide to the exhibitions we’re most excited for this year. Mark your calendars now so you’ll have no excuse to say you’re bored later.

A new look at Monticello: Founding father Thomas Jefferson called slavery an “abominable crime”. . . but owned more than 600 slaves who sustained his plantation, Monticello. “Slavery at Jefferson’s Monticello: Paradox of Liberty,” opened on January 27 in the American History Museum‘s National Museum of African American History and Culture Gallery, and focuses on the long-overlooked history of slave life at the third president’s Virginia home. Be sure to keep up with the latest news from Monticello on Twitter at @TJMonticello.

Happy birthday, Jackson Pollock: If he were alive today, Jackson Pollock would have turned 100 on January 28. To honor the stormy life and revolutionary work of the modern art icon, the Archives of American Art presents Pollock’s personal family photos, letters, and writings in “Art Memories Arrested in Space, a centennial tribute to Jackson Pollock” at the Reynolds Center through May 15.

Game on: Can video games be art? To answer that question, the American Art Museum‘s upcoming exhibit, “The Art of Video Games,” pulls together the most arresting graphics and innovative designs in the gaming world, on view March 16 through September 30. Even if you forgot to vote for your favorite game, don’t miss out on GameFest, which kicks off the exhibit with three days packed with open play, panel talks with artists and designers, and live-action gaming. To tide you over til March, follow curator Chris Melissinos at @CMelissinos for updates and teasers.

Hokusai: In anticipation of the Cherry Blossom Centennial, the Sackler Gallery presents a study of Katsushika Hosukai, Japan’s most famous artist (yes, that’s his Great Wave that has probably graced every college dorm wall in America). “Thirty-six Views of Mount Fuji,” his most acclaimed woodblock print series, was first published in 1830 when Hokusai was in his 70s and goes on view on March 24 through June 17. The gallery has set up an interactive website with more information on Hokusai’s life and artistic technique.

Ai Weiwei: The controversial Chinese artist Ai Weiwei, arrested last year, brings a new installation, “Fragments,” to the Sackler Gallery beginning May 12. Using antique wood salvaged from Qing Dynasty temples, Ai worked with skilled traditional carpenters to create what he calls an “irrational structure” that both affirms and defies centuries of architectural traditions. In October, the Hirshhorn gets in on the action with an exhibit of 25 of Ai’s recent works entitled “Ai Weiwei: According to What?” For an English translation of Ai’s Twitter, follow @aiwwenglish.

Now that you’ve probably burned through the lists of historians, innovators, and food-writers to follow this year, we’re bringing it back home to the Smithsonian. As always, the Mall is cooking up some fascinating, crazy, and sometimes grotesque stuff for 2012. Bookmark these people and projects to keep up with this year:

Nicholas Pyenson: Pyenson studies and curates fossils of marine mammals. Get a feel for what is going on inside his lab and follow his team into the field—fresh from an expedition in Chile—at his blog, Pyenson Lab.

Postal Museum: Time for a pop quiz: A “hamper dumper” is:

a) machine in postal processing

b) bin of misprint stamps

c) failed mail vehicle

d) philatelic tool.

If you know the answer, you should be following the Postal Museum (@postalmuseum) for their daily #PostalQuiz and other philatelic factoids.

Biodiversity Heritage Library: As part of the Biodiversity Heritage Library consortium, the Smithsonian Libraries collects and digitizes biodiversity research for open online access—essentially, a bio-wiki. Check out @biodivlibrary for the species of the day: plants that eat worms, albino penguins and other bizarre creatures you never knew existed.

Archives of American Art Pinterest: The American Art Pinterest lets you browse the archives and “pin” the images you like to your virtual board. Mix and match from collections like “facial hair of note” and “ain’t no party like an artist’s party.”

Book Dragon: The Smithsonian Asian Pacific American Program’s Book Dragon is the pet project of former APA Media Arts Consultant Terry Hong, featuring reviews of “books for the multi-cultural reader.” Hong highlights literature for kids and adults alike that speaks to the Asian American experience. Follow her at @SIBookDragon.

Smithsonian Vids: For a moving view of the Institution, follow @SmithsonianVids. Meet a scientist studying frog-eating bats, or get a video tour of Smithsonian Folkways Recordings from Grateful Dead drummer Mickey Hart.

Smithsonian Marine Station: This Natural History Museum field station, located in Fort Pierce, Florida, tweets news updates and photos from the field (er, coral reef) @SmithsonianSMS. Plus, there’s #followfriday trivia every week.

Field Book Project: Also, from the Natural History Museum and the Smithsonian Institution Archives check out this blog, where researchers post updates on their initiative to compile an online database of field books and journals documenting biodiversity research. Besides progress updates, you’ll also find excerpts of century-old field notes from explorers, birdwatchers and scientists (including lots of fun, old-timey sketches) and learn a lot more than you ever thought there was to know about indices.

Encyclopedia of Life: Take your best shot and enter the picture in the Smithsonian’s Encyclopedia of Life Flickr photo contest. The bi-weekly contest could be (and has been) any theme from “backyard life” to “sexual dimorphism.” Even if you don’t enter, be sure to browse the entries for gems like this.

And of course, if you’re not following them already, the museums are always Tweeting up a storm. Here’s the checklist:

American Indian Museum: @SmithsonianNMAI

National Portrait Gallery: @npg

American Art Museum: @americanart

Anacostia Community Museum: @anacostiamuseum

American History Museum: @amhistorymuseum

Air and Space Museum: @airandspace

Museum of Natural History: @NMNH

Hirshhorn Museum and Sculpture Garden: @hirshhorn

Freer and Sackler Galleries: @FreerSackler

Museum of African Art: @NMAfA

National Zoo: @NationalZoo

Cooper-Hewitt National Design Museum: @cooperhewitt

Smithsonian: @Smithsonian

See Alice Waters and her new portrait side-by-side on Friday. Image courtesy of the National Portrait Gallery.

Friday, January 20 An Evening with Alice Waters

Meet organic food icon and chef Alice Waters both in the flesh and in still life at this presentation of her new portrait on view at the National Portrait Gallery. Following the presentation, enjoy light fare at a reception catered by several local celebrity chefs, including José Andrés of ThinkFoodGroup and Mike Isabella of Graffiato. Waters will be interviewed in the Nan Tucker Auditorium at 6 p.m., the reception follows at 7 p.m. in the Kogod Courtyard. Ticket prices vary, National Portrait Gallery.

Saturday, January 21 Create Your Own Peacock Room

Kids and families, learn the story of the Freer Gallery’s Peacock Room, which is now recently restored to its appearance circa 1908, when the museum’s founder Charles Lang Freer purchased it. Next come to the ImaginAsia workshop and curate your own miniature Peacock Room to take home with you. Free. 2:00 p.m. Sublevel 2, Sackler Gallery.

Sunday, January 22 Dance for the Dying Unplugged

The Luce Foundation Center’s “Unplugged” series welcomes local band Dance for the Dying for an intimate acoustic performance at 2 p.m. Based out of Alexandria, Virginia, the group says their music is a “perfectly mismatched marriage of macabre and melody.” Get there early for a pre-concert art talk. Free. Art talk meets in F Street Lobby at 1:30 p.m., performance begins in Luce Foundation Center (third floor) at 2 p.m. American Art Museum.