Dr Chris and Dr Xand have a brilliant experiment for spies in training... Create your own invisible ink! Shh! Step 1: Put on your rubber gloves and lab coat (or old clothes) because turmeric can ...

What if it’s funny? By John Hodgman Jim writes: We recently remodeled our kitchen, and my 10-year-old son wrote, “Are you ...

But recently, a particular iMessage feature has entered the chat. Invisible ink — the effect that blurs your messages, making them look like a static-y television unless you’re pressing on it ...

These 10 Recipes Are So Good, You'll Want to Make Them Every Night! Archie Manning Names NFL Team He'd Like Grandson Arch to Play for After Texas Career Yellowstone ranch cost show creator a ...

Once her words had dried, they became invisible. But, to ensure her professor didn't put the essay in the bin, she left a note in normal ink saying "heat the paper". The professor, Yuji Yamada ...