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.

Most popular drinks in the world share a common trait

Caffeine

The three most popular drinks in the world all contain caffeine:
coffee, tea, and cola.

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.

The world’s shortest commercial flight

Loganair

Operated by Loganair, the world’s shortest commercial flight takes place between the two Orkney Islands, Westray and Papa Westray, north of Scotland. The flight covers a distance of only 1.7 miles (2.7 km) and if the weather conditions are favourable, it can be completed in just 47 seconds.

Valuable emeralds

Emeralds

The finest quality emeralds are more valuable than diamonds.

Dirty TV remote control

TV remote

The TV remote control is the dirtiest item in a typical household, hospital, or hotel room.

Losing your hair?

Hair

You lose about 50 to 100 hairs a day.

Seahorse’s eyes

Seahorse

A seahorse can move its eyes in opposite directions – all the better to scan the water for food and predators.

Hummingbird wings

Hummingbird

Hummingbirds’ wings can beat 200 times a second.

Jellyfish – not a fish

Jellyfish

Jellyfish, or jellies as scientists call them, are not fish. They have no brain, no heart, and no bones.