The holidays are upon us, and if you are stumped about what to get that special science-enthusiast on your shopping list, we've got you covered.
Scroll down to check out 15 gift ideas -- from a sweater engineered to last for three decades to a deep-sea dive to see the Titanic -- at a range of prices. If you have more geeky gift ideas, please feel free to share them in the comments below. Happy holidays!
Don't forget to visit the HuffPost Gift Guides page for other gift-giving ideas.
Need more holiday gift suggestions? Check out last year's science-themed ideas in the slideshow below.