Why the Moon is always facing the same side to Earth? The answer is tidal coupling or tidal locking and it is this post’s subject.
Category: Environment
Cosmic rays: what are they?
The cosmic rays are a set of particles with high energy that arrives at Earth’s atmosphere every day, at speeds close to the light.
Phosphorus cycle: what is it and how does it work?
Phosphorus is one of the most important elements for living beings. The operation and importance of the phosphorus cycle are explained in this post.
pH: definition and importance
This post shows the concept of pH and its influence on the nitrogen cycle. This is a continuation of the previous post about Environment.
Nitrogen cycle: what is it and how it works?
This post subject is the nitrogen cycle, an important geochemical process for the survival of living beings inland and aquatic ecosystems.
The prehistoric natural nuclear reactor
2 billion years ago, occurred a nuclear fission in the Oklo uranium deposit, current Gabon, Central Africa. It’s the only natural nuclear reactor discovered so far.
Carbon 14 for dating (Part 1)
This post’s subject is carbon 14. A radioactive isotope which allows determining the age of an artifact or living being from thousand of years ago.
What are the Lagrange points?
The Lagrange points were described in 1772, by the mathematician Joseph-Louis Lagrange, in his paper “Essay on the Three-Body Problem”.
Locust swarm: How is it formed?
A locust swarm destroys crops and pastures it finds along the way, causing economic loss. Moreover, can travel for long distances.
What are speleothems?
Speleothems are rock formations inside caves, the most known are stalactites and stalagmites. These and other formations are shown in this post.