Category Education

How a cow’s blister saved humanity

Did you know the word vaccine traces its roots to the Latin vaccinus, meaning “of or from cows.” Ever wondered why? This connection goes back to the late 18th century, when English doctor Edward Jenner noticed that milkmaids who caught…

The Healing Symbol Doctors Should Use

Two ancient symbols are often associated with medicine: the Rod of Asclepius and the Caduceus. The Rod of Asclepius, a single serpent entwined around a staff, comes from Greek mythology. Asclepius, the god of healing, was linked with snakes, which…

Aphelion: Earth’s farthest point from the Sun

Aphelion is an astronomical phenomenon that occurs when Earth is at the farthest point in its orbit around the Sun. The term comes from the Greek words apo meaning “away from” and helios meaning “sun.” Together, they describe the position…

Understanding Cusecs and TMCs when dams release water

During the rainy season, when reservoirs like Srisailam or Nagarjuna Sagar open their gates, we often hear figures like “2 lakh cusecs released” or “storage reaches 300 TMC.” These terms may sound technical, but they’re not difficult to understand. Let’s…

Why the ‘Black Box’ can survive plane crashes

The “black box” in airplanes is actually two devices: the Flight Data Recorder (FDR) and the Cockpit Voice Recorder (CVR). These record vital flight parameters and crew conversations, helping investigators understand what happened during an accident. Each recorder has specific…