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Monday, May 25, 2020

How do microwave ovens work?

MICROWAVE ovens cook and heat food incredibly fast, in minutes or less. But how does this great invention work? Microwave ovens operate in the electromagnetic...

What is coral bleaching?

CORALS are known as the underwater gardens of the ocean. Besides provid­ing shelters to 25% of marine species, they amaze us with their myriad...

What is dactyloscopy?

HAVE YOU EVER TIP-TOED into your sibling’s room to peek into something? You probably left behind evidence of your secret visit. A fingerprint expert could likely find fingerprints...

Why can’t owls roll their eyes?

THE OWL is known as nocturnal birds. Owls are birds of prey and they have a sharp beak as well as sharp claws in order to catch and eat...

Why there are stones alongside a railway track?

WHEN you travel with a train you get to witness a lot of things, like the stunning view of nature or busy cities. One...

How do messenger pigeons know where to deliver messages?

Before the telegraph, pigeons were  used  to  carry  messages. The pigeons are called homing pigeons. These pigeons are particularly good at remembering where they...

How do air conditioners work?

Your air conditioning (AC) system keeps your home or car cool in hot weather, but have you ever wondered how it works? An air conditioner (AC)...

How can heavy metal music be beneficial?

HAVE you listened to heavy metal songs before? Do bands such as Metallica, Slipknot or Avenged Sevenfold ring a bell? According to an article in...

Which snake hunts in packs?

Epicrates angulifer, commonly known as the Cuban boa is a species of snake that hunts in packs. It is the largest native terrestrial predator...

What is a kilogram?

We think we know what a kilogram is, but do we really? While it seems to be a simple question, the definition of a...

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...

Why can’t crocodiles chew their food?

CROCODILES are large reptiles that are prevalent in tropical regions of Africa, Asia, the Americas and Australia. Crocodiles are carnivorous creatures and would feast...

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 antacids help to relieve gastric?

FIBRE Antacids are over-the-counter medications that help neutralise stomach acid. Antacids usually come as a liquid, chewable gummy or tablet, or tablet that you dissolve...

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