World’s longest echo

World's longest echo

The world record for the longest echo in a man-made structure has been set in an underground fuel depot constructed near Invergordon, Scotland before World War Two. The time for the reverberation to end was 75 seconds.

Tokelau solar project

Solar Panels

Tokelau, a group of remote islands in the Pacific Ocean, receives 100 percent of its electricity from solar energy since 2012.

Who named Pluto?


An 11-year-old girl from England is credited with naming Pluto in 1930.

Green eyes trivia

Green eyes

Green eyes, found in only 2 percent of the population, are more common in females than males, and among celebrities than the general public.

Heart-shaped trivia


The heart is so strong it can squirt blood up to 9 metres.

Uranus summer and winter


Uranus only has two seasons – summer and winter. Each lasts 42 Earth years.

The size of Earth vs the Sun


If the Earth were the size of a grain of sand, the sun would be the size of an orange.

Quick of hearing


Hearing is the fastest human sense. A person can recognize a sound in as little as 0.05 seconds.

Brain electricity


Your brain generates enough electricity to power a lightbulb.

Blood flow trivia

Blood cells

It takes less than 1 minute for blood to travel all around your body.