Microsoft 365 Student Discount & Free Access

Microsoft 365 Student Discount & Free Access

If you’re a college or university student looking for Microsoft Office, you may not need to pay the regular price. Microsoft provides Office 365 Education free to eligible students at qualifying educational institutions, while it also offers separate student...
What’s the Cause of Tsunami?

What’s the Cause of Tsunami?

A tsunami is primarily caused by the sudden displacement of a large volume of seawater. Around 80% of destructive tsunamis are triggered by powerful underwater earthquakes occurring at subduction zones, where one tectonic plate slips beneath another. Other causes...
Fossiliferous Limestone: Formation, Properties & Fossils

Fossiliferous Limestone: Formation, Properties & Fossils

Imagine holding a rock that preserves an ancient coral reef, seashells from a vanished ocean, or the skeleton of a marine creature that lived over 300 million years ago. That is exactly what fossiliferous limestone offers—a remarkable glimpse into Earth’s...
Types of Limestone Rock

Types of Limestone Rock

Limestone is one of the most common sedimentary rocks on Earth, yet many people are surprised to learn that it comes in many different varieties. Some limestones are made almost entirely of ancient marine fossils, while others form from mineral-rich spring water or...