Now You Know …
How many ways can you combine 6 Lego bricks? We're talking 6 bricks of the same size and color. I really wanted to use this question in a contest to award $1 Million ... but…
Why do we have eyelids or tears? Why do we blink?
Go Back to Sword Tips Newsletter | Jan 27, 2022 The solution to keeping our eyes moist is having eyelids and using them to blink. This makes sense — fish and most aquatic animals don’t…