Keyboard words are not in alphabetical order, Why?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I have branches, but no fruit, trunk or leaves. What am I?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

I travel all around the world but always stay in the corner. What am I?

What jumps when it walks and sits when it stands?