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Friday, August 17, 2018

Harmful algal bloom

BY FARHAN ZULKIPLEE We can see sometimes the ocean, river and lakes change colour from blue to red, brown and green. This phenomenon is caused...

How does a lie detector work?

IF you’re like most people, lying makes your heart race. It makes you pant. It drives up your blood pressure and makes you drip...

Why does our skin spot with age?

HAVE  you noticed how older people have spots on their skin? Age spots — also called liver spots and solar lentigines — are small...

How do geckos stick onto walls?

Geckos dangling precariously from overhead lights or running up walls are a common sight in tropical countries. This is possible due to a weak...

How do tornadoes form?

A TORNADO is a violently rotating column of air extending from a thunderstorm to the ground. The most violent tornadoes are capable of tremendous destruction...

How does fabric softener work?

MANUFACTURERS market liquid or dry crystal fabric softeners for washing machines. Fabric softeners and dryer sheets coat our clothes with a subtle layer of...

How long do Luna moths live?

IF you have been to the Eastern and Northern parts of the United States, or from Northern Mexico to Quebec and Canada, you might...

What is shark skin made of?

Ever touched a shark before? A shark’s skin appears rather smooth and sleek. However, it feels very rough, similar to a sand paper. Most fishes are...

What causes the difference in colour of egg yolks?

YOLK colour does not affect the flavour, nutritive value or quality of an egg. However, to some people who are concerned about their egg...

Why rabbits and parrots can see behind them?

ONLY two animals can see behind themselves without turning their head and they are rabbits and parrots. Their eyes are on the sides of...

What causes a meteor shower?

METEOR showers occur when the earth in its orbit around the Sun passes through debris left over from the destruction of comets. Although the...

What is the hottest place on earth?

Death Valley’s name says it all — it is the hottest place on Earth. Death Valley currently holds the record for hottest air temperature...

What happens when a black hole swallows a star?

AS the star gets sucked up into the black hole, a brilliant flare of light that echoes through space would burp back up hundreds...

How does a caterpillar turn into a butterfly?

SOME of us may be wondering, how a caterpillar turns into a butterfly. Well in order to become a butterfly, the caterpillar needs to go...

The armour of the future

BY ARUNA GANESAN GOWNS and saris made out of silk are all-time women’s favourite choice of clothes. Just a few years back a rare golden...

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