Energy is the defining property of our physical world, and therefore the most important tool for understanding nature, hence the most commo...

 Mathematics is the most commonly used tool for describing nature, the most accurate way of doing so, and often the method of knowing it. In...

 I'm not sad because you lied to me, but because I can't believe you anymore - again .

 According to the current view of science, elementary particles, like electrons or quarks, are elementary because they cannot be broken down...

 Every complex natural system is built from simpler, universally interacting building blocks. The complexity and structures of what we see i...

 Mass is the defining property of our material world. Everything made of matter has mass. Yet mass is not necessarily an unambiguous propert...