Water is colourless. But when we observe any large water body, it appears blue. When it has a lot of impurities (or nutrients), it can vary from red, green, white, grey, brown, black to anything that is weird and filthy. Read about some important terms related to different colours of water that we come across in common parlance or which researchers use to understand better this elixir of life. Bluewater: ‘Why is water blue in colour?’—humans must have raised this question since time immemorial. But in 1921, this query was resolved when Sir CV Raman raised and answered it successfully...
An alert issued regarding unhealthy packaged foods, and how food nutrition labels can and cannot help us to become aware. ************************************************************************************** I know you all kids must be excited about Dusshera and Diwali. The whole month you’ll be exchanging sweets and offering scrumptious feasts. Our friends and families will enjoy beautifully wrapped gifts of savouries— chocolates, candies, chips, soft drinks, and what not! Their advertisements will flood our television screens and social media, and even masquerade as a renewed form of celebration with the …
Become a smart consumer by learning how to pick out the truly ‘Organic’ stuff from amongst a host of food packets carrying various complicated labels. ***************************** Hello, friends! The other day, I went grocery shopping with my niece, Prisha, for buying some chemical-free and safe food. She’s just like you, always eager to learn new things. As we walked through the store, Prisha explored all kinds of fruits, spices, chocolates, and whatnot! But something really confused her—lots of description on the products she’d picked up...
Kick start this new year on a wise and healthy note with a mouthful of millets. Learn more about their varieties, benefits, and environmental importance. ************************************* Hi friends! Have you ever reflected upon the usual grains that we eat every day? Apart from the most popular, wheat and rice, there are a lot of other cereals that we consume like sorghum (jowar), pearl millet (bajra), finger millet (ragi), and buckwheat (kuttu). Most of these are local foods and are prepared on special occasions like fasts or festivities...
A novel carbon-capturing method involving old basalt rocks—this proposal won a gold medal for India at the International Earth Science Olympiad 2022. *********************************** Global warming is a burning issue affecting the earth. Discussed in all forums at the international and regional levels, this issue is a worry worldwide because its impact is devastating. Various methods are being proposed to effectively combat this problem...
A passionate movie buff and avid videographer narrates his journey through the reels on the importance of films in spreading environmental awareness. **************************** Growing up in Perumannur, a small village in Kerala, my childhood was all about ploughing fields, playful cows and calves, and a big pond where I learnt swimming. I was so close to nature that it never occurred to me if the environment—with all its greenery, birds, trees, and grass—can ever be distinctively separate from us. My training, among the lush green coconut and rice fields...
The beautiful and healthy lotus stems—you can find these stems being sold by roadside vendors, especially along roads that run by a river or a pond. The light brown or white, sausage-like tubular vegetable has holes in it. These are lotus stems and they are used widely in Indian, Chinese and Japanese cuisine. They are relished for their taste and nutritional value. Known in Hindi as bhe or kamal kakri, the lotus stem contains hollow air channels that run the length of the stem. It is crunchy, sweet and tastes like water chestnut. It has a delicate flavour and is suitable for eating raw or cooked...
