The scientist who developed the periodic table was?

The Ming dynasty expanded and fortified the Great Wall between the 14th–17th centuries, much of which still stands today.

Ozone’s formula is O3, consisting of three oxygen atoms, playing a vital role in absorbing harmful UV radiation in Earth’s stratosphere.

Aristotle tutored Alexander, influencing his leadership and spreading Greek philosophy across conquered regions of the ancient world.

The Big Bang theory describes the origin of the universe 13.8 billion years ago as a rapid expansion from a singularity.

Silver has the highest electrical conductivity of all elements, making it ideal for electronics, though copper is more widely used.