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Class 11-12

Seeing the Invisible: Imaging a Black Hole

By I Wonder | Dec 14, 2020
In early April this year, newspapers and online websites were agog with the news that astronomers had obtained the first image of a black hole known to reside in a distant galaxy called M87. Why did this image cause such a stir?
 
Fig. 1. The image of a ‘black hole’ at the heart of galaxy M87.

What Do We Really See?

By I Wonder | Dec 4, 2020

This article presents a few simple activities, with handmade toys and optical illusions, that explore ways in which our brain and eyes work together to perceive the world.

A Milky Way to Learn Biology

By I Wonder | Dec 3, 2020
The simple and everyday practice of curd formation involves concepts taught in biology (microbial fermentation), chemistry (conversion of milk lactose to lactic acid) and physics (coagulation of milk proteins with acid). Can we use this process to offer a hands-on introduction to what it means to think like a scientist?
 

WORKHORSES OF BIOLOGY RESEARCH: MODEL ORGANISMS

By I Wonder | Nov 24, 2020
Deepti Trivedi
 

DO DINOSAURS STILL WALK THE EARTH?

By I Wonder | Nov 11, 2020

SHREYA GHOSH

HOW MUTUALISM EVOLVED IN NATURE: THE CASE OF ANT-PLANT INTERACTIONS

By I Wonder | Nov 10, 2020

JOYSHREE CHANAM

UNDERSTANDING EVOLUTION BY NATURAL SELECTION

By I Wonder | Nov 9, 2020

GEETHA RAMASWAMI

Evolution is a difficult concept to grasp. The earliest explanation offered for our existence, usually by an elder in the family, is that ‘we were created by a higher power’. This explanation is often accompanied by descriptions of fantastical beasts and awe-inspiring natural phenomena that seem easier to explain as the whimsy of an all-powerful being.

Children’s Literature and Child-Centric Practices

By Learning Curve | Nov 9, 2020

Vartul Dhaundiyal

‘Ma’am may I also do things which bhaiya and didis do?’ asked Diksha. Her teacher asked her with a gesture of pleasant surprise. ‘What things?’ ‘Chamiksha’, said Diksha. ‘Oh, why not! Go ahead,’ her teacher said joyfully. Diksha, then, very shyly asked, 'Then my video will also be sent?'. The teacher laughed at the charming expression of the child. She promised her that if she did the sameeksha (review) of a story, then, she would share her video in the teachers’ group.

Will a Skills-Inclusive Education Enable Schooling for All?

By Learning Curve | Nov 9, 2020

V Santhakumar

Nali-Kali | A Step Towards Quality Education for All

By Learning Curve | Nov 9, 2020

Umashanker Periodi

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