🧵🛬 Are you brave enough to go through the world's most dangerous airports? From challenging runways to difficult approaches & landings, these airports will make your heart race Fasten your seatbelts!

A fun example of relative motion! Even though the tractor is moving, the person jumping on the trampoline is not moving relative to the tractor 🚜, and has the same velocity as the tractor relative to the ground!

Scoville scale measures pungency of peppers, recorded in Scoville heat units It is named after American pharmacist Wilbur Scoville, whose 1912 method, organoleptic, is a subjective assessment derived from the capsaicinoid sensitivity by people experienced with eating hot chilis

Anglerfish waits patiently in the depths of the deep sea to lure in their next meal They wiggle & "angle" a rod-like extension of their dorsal spine that protrudes from their head & emits light Once prey comes close, it snags them, using its large, pointy teeth to chomp them up

Scutigera coleoptrata, also known as the house centipede, is a centipede species originating in the Mediterranean region It commonly lives in human homes & hunts on other insects This video shows how it molting Source: pin.it/4PZfGeT Read more: animaldiversity.org/accounts…

Monarch butterfly's metamorphosis from a caterpillar to a fully grown butterfly! Source: pin.it/3ULg5XM

Octopuses usually change their skin color for camouflage or for communication but during sleep, environmental factors no longer trigger this Researchers inferred that the color changes during sleep results from independent brain activity, maybe a dream!

Illusion of the day! The individual parts in the image are only changing color, but the image appears to wave!

The retina has about 1 million nerve fibers carrying signals to the brain and is actually a part of our central nervous system

Ice Needles are usually formed when water rises through the soil in a capillary action & encounters sub-zero air, therby freezing on contact However, this is one example of ice needles being formed as water comes out of a lake

How sound travels from the ear to the brain

Global Economy crossed $ 100 Trillion for the first time in 2022 These were the top 10 economies by GDP in 2022