A Country Across Time

Russia is the largest country in the world by land area, stretching across 11 different time zones. From Kaliningrad in the west to Kamchatka in the far east, the vastness of the country means that when it's morning in one part, it can already be evening in another. This unique geographical feature allows Russia to experience a wide range of climat

read more

Thermal Expansion and the Eiffel Tower

The Eiffel Tower, one of the most iconic landmarks in the world, actually changes height depending on the season. During the summer months, the tower can grow up to 15 centimeters (about 6 inches) taller due to a natural phenomenon called thermal expansion. This happens when metal heats up and expands. The Eiffel Tower, made primarily of iron, abso

read more

The Traditional Korean Age System

In South Korea, there is a unique age-counting system where a baby is considered one year old at birth. Unlike the international method where age starts from zero and increases on the child’s birthday this traditional Korean system adds one year immediately at birth, accounting for the time spent in the womb. Additionally, instead of aging on the

read more

A Mosquito-Free Environment

Iceland is one of the very few countries in the world that is completely free of mosquitoes. Despite having plenty of freshwater sources like lakes, ponds, and wetlands mosquitoes are mysteriously absent. Scientists believe the reason lies in Iceland’s unique climate. The country experiences rapid temperature changes and lacks the steady warm sea

read more