Did you ever wonder? Is there really the possibility of life on another planet? How do our bodies work to help us avoid getting sick? What’s the best way to invent something new? Who is the fastest human? Why does science even matter? Asking questions like these helps us learn and explore lots of new things. On these pages, you’ll find the answers to some of your biggest questions—and quite a few more that you may never have even thought of! Being curious is how we get smarter and make the world a better place. You never know: The questions you come up with may lead to science’s next big discovery. So keep on reading and enjoy the adventure ahead!
THE ULTIMATE GUIDE TO (ALMOST) EVERYTHING
did you ever wonder?
SPACE
why is Earth called the third rock from the sun?
what star is closest to Earth?
what have we learned from exploring Mars?
who was the first human in space?
where do comets come from?
how does the International Space Station work?
how much space junk is floating in orbit around Earth?
what is dark matter?
THE HUMAN BODY
which organ is the boss of everything?
what’s going on inside your body?
how does your heart work?
how do your senses let you experience the world?
what are some ways we defend against disease?
what are some famous medical advances?
why does your body do these things?
INVENTIONS
how do new things get invented?
how did human beings learn to fly?
when did a book lead to a popular invention?
who invented these things we couldn’t live without?
how do things get invented by accident?
how did broken china lead to the dishwasher?
what were some great inventions in medicine?
how did a daredevil give skydivers a soft landing?
what will the future bring?
SPORTS
how hard is it to hit a baseball?
what are some memorable mistakes in sports?
who was the first woman to climb Mount Everest?
what makes the Olympics so special?
what are the most extreme water sports?
what is an endurance sport?
when is football not football?
how can a person climb up falling water?
SCIENCE
what is a chemical reaction?
what is the periodic table?
what is so special about the planet Earth?
what are gems and minerals?
how does science help race cars go faster?
what is a rainbow?
why do scientists ask “what if…”?
what was the biggest ocean exploration?
The Ultimate Guide to (Almost) Everything
PHOTO CREDITS
HOW CURIOUS ARE YOU?
