Knowledge Hub for curious people

Embark on an enthralling expedition through the ages to uncover the secrets of the Earth's age. Discover captivating evidence and scientific marvels that shed light on our planet's ancient history.

It is not always easy to differentiate between sea, ocean, lake, and pond. Even scientists sometimes disagree on these classifications. However, a few simple characteristics of each body of water can help clarify the differences.

The paper was discovered by the Chinese around 2,000 years ago. Let's take a closer look at how paper is made nowadays.

For some individuals, coffee is their drink of choice, while for others, it's tea. Coffee contains caffeine, and tea contains theine. But what is the difference between the two? And do they have the same effects on our body?

According to the WHO, 3.2 million deaths occurred due to indoor air pollution in 2020. So, it’s vitally important to consider harmful emissions when upgrading your fireplace or considering installing one in your new build.

The Solar System is home to a diverse group of celestial bodies, including eight planets orbiting the Sun. But what exactly is a planet, and how many are there in our Solar System? Let's find out.