It is so refreshing to get back inside the house after a tiring day, leaving behind the noise, air and light pollution of the traffic. But did you know that pollution is as serious a problem indoors as it is outdoors?

What makes chewing gum gummy? What makes jam jammy? What makes sauce saucy? It’s gum! So let’s read a story about gums.

We’ve been seeing news of the oil spill in the Gulf of Mexico, but now there’s one much closer home. After two ships collided on Monday in the Arabian Sea, lots of petroleum has leaked, and is reaching the coast of Mumbai. How bad is it going to get?

Gold has always been considered the metal of kings. Yet even this precious metal cannot withstand the chemistry of Aqua Regia – dissolver of gold.

We may rarely watch a horror movie, but we often wonder how those grotesque effects were created. Or perhaps how film artists make fake scars and bruises. Let’s explore the chemistry of special effects make-up!

We have all had to use a thermometer some time or the other. If you ever wondered what that silvery fluid that helps tell temperature about, this is the perfect video for you.

If you’ve seen a well being cleaned, you may have noticed that a reddish brown powder is thrown into it. That would be potassium permanganate, which is one of chemistry’s most useful substances.

If you have had difficulty trying to know the difference between covalent, ionic and metallic bonds, here's a video that can help.

If you like action films, you might watch the hero battle all the villains, and remain unhurt even though the villains are firing hundreds of bullets at him. He’s wearing a bullet-proof jacket, but how does that work?