In the 10th century, Vikings sailed from Norway to...  ...ntic.One theory is that they used "sunstones," or crystals , which can reveal the position of the sun on a cl...  ...evidence for this is scant. Read about the use of crystals for ocean navigation at Atlas Obscura.

If you're one of those people who likes to pile on...  ...auce flavor without too much spice? Reach for the Crystal

Ask a chemist for flowers, and he'll likel...  ...lowers, and he'll likely give you these wonderful crystal flowers! Chemistry professor Dean Campbell...  ...r. After the experiment, Campbell found wonderful crystals

Legend has it that the Vikings used a na...  ...... experiments have shown that a crystal , called an Iceland spar, could detect...

Sometimes, science follows science ficti...  ..., for example, the case of "living crystals ," which sounds like a race of alien beings....  ...The particles travel down these, aggregating into crystals that also follow the gradients....  ...the gradients. Random forces...

This piece of Fluorite crystal looks like it might contain the universe. Maybe i...  ...es page makes it sound quite special:The Fluorite crystals are superbly developed as an intergrown group, wi...  ...ith stepped form habit to 3.2cm over all the main crystal edges. The lust...

Have you ever wondered what makes the famous a...  ...ered what makes the famous and expensive Baccarat crystal so special? This pretty video by James Bort follo...

[caption id="attachment_28704" align="aligncenter"...  ...c wowness, the Cueva de los Cristales - the Giant Crystal Cave - is also one of the most deadly environment...  ...toxic setting that has kept humans away from the crystal phenomenon.  "The coolest part of the caves is y...  ...ime as humans first ventur...

From Crystal Pepsi to Pepsi Samba to Pepsi Ice Cucumber, one t...  ...psi put out are downright awful. From the classic Crystal Pepsi fiasco to the more recent Pepsi Jazz, prepa...