Why cockroaches die on their backs?
Reading Time: < 1 minuteCockroaches have bulky bodies that are composed of three heavy segments supported by only six long, thin legs. Their long legs give them a high center of gravity, meaning they carry most of their weight around their backs. At the time of death cockroaches lose muscle control, causing their leg muscles to contract and tuck […]
Why do horses prefer to sleep standing up instead of lying down?
Reading Time: < 1 minuteCan you imagine sleeping while standing up? That could be fairly dangerous, don’t you think? But that’s exactly what some animals, such as horses, do! Because horses are prey animals, they don’t like sleeping on the ground. Due to their straight backs, horses can’t get up quickly. If a predator approaches a sleeping horse while […]
Why do frogs make so much noise?
Reading Time: < 1 minuteDid you know that there are frogs that chirp? Others can whistle, croak, ribbit, peep, cluck, bark and grunt. Why do they make so much noise? When frogs call out they are actually trying to attract a mate. Every different species of frog makes its own special sound allowing their mates to distinguish who’s who […]
What is the maximum distance the human eye can see if unobstructed?
Reading Time: < 1 minuteHow far the human eye can see depends on how many particles of light, or photons, a distant object emits. Dust, water vapour and pollution in the air will rarely let you see more than 20 kilometres away even on a clear day. Often, the curvature of the Earth gets in the way first. For […]
What are fiber optics?
Reading Time: < 1 minuteWe are used to the idea of information traveling in different ways. When we speak into a landline telephone, a wire cable carries the sounds from our voice into a socket in the wall, where another cable takes it to the local telephone exchange. Cell phones work a different way: they send and receive information […]
What causes the smell of cut grass?
Reading Time: < 1 minuteDo you like the smell of fresh cut grass? The smell of cut grass is not pleasant. It’s the smell of chemical defences and first aid. The fresh, “green” scent of a just mowed lawn is the lawn trying to save itself from the injury you just inflicted. The smell is a mixture of oxygenated […]
Why is the sky blue?
Reading Time: < 1 minuteSome people think the sky is blue because of sunlight reflected off the ocean and back into the sky. But that’s not the real reason. Sunlight reaches Earth’s atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it […]
Which animal can live longer without water?
Reading Time: < 1 minuteWE are all amazed with height of giraffe whenever we see them at zoos. Giraffes spend about 80 percent of their day eating and they are said to be able to eat up to 77 pounds (35 kilograms) of food a day. [ihc-hide-content ihc_mb_type=”show” ihc_mb_who=”2,3″ ihc_mb_template=”1″ ] Their favourite tree is the thorny acacia, which provides them all the necessary nutrients […]
A Peek Into The Golden Age of Islamic Science
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Why babies have more bones than adult?
Reading Time: < 1 minuteWHEN human babies were born, they have around 300 bones in their body. As they reach adult-hood, we are left with only 206. This is because many of the bones fuse[ihc-hide-content ihc_mb_type=”show” ihc_mb_who=”2,3″ ihc_mb_template=”1″ ] together to form hard and long bones so as to provide mechanical support to the body. The number of bones in a baby also includes cartilage-type structures […]