Nanotubes can turn water solid when it should be boiling
 

Scientists have long known that under the right conditions, small amounts of water can be coaxed into changing its boiling or freezing point. A pot of water takes less energy to boil on the top of Mount Everest, for instance, and liquid under pressur...

https://www.engadget.com/2016/11/29/...ld-be-boiling/