There are two types of time travel: going back in time and going forward in time. And remarkably, people can feel time at different rates - but usually don’t notice it.
The distance between the ISS and Earth is the same as about 3,850 football fields. To bring the station down, rockets will lower it a bit, and then gravity will send it crashing the rest of the way.
Boogers, snot, bogeys and boogies are the common names for mucus that’s dried in your nose. Mucus is very important as it protects the body from getting sick.
Rakaia Kenney, University of Maryland, Baltimore County; Kayla Lemons, University of Maryland, Baltimore County y Weihong Lin, University of Maryland, Baltimore County
Mmmmmmm. That smells delicious. Wait, how do you know that?
One anthropologist found 1,072 similar words for ‘mom’ and ‘dad’ in the world’s languages. It turns out a mix of biology, culture and encouragement from parents explains this phenomenon.
The movies make it seem like someday we’ll be able to make people and objects grow really big or shrink really small. Whether this will be possible comes down to the smallest of things.
The term ‘Big Bang’ might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.