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Dams across river valleys and canyons also form part of rainwater harvesting by human intervention.

Europe can demolish at will

Dams, natural or manmade, across drainage systems, vary depending upon the order of stream in a hydrologic sense.

11 Jun 2018 6:01 AM IST

Dams serve multiple purposes in managing the regimes of rivers and also water security for large parts of the basin.

No swadeshi takers for the clamour

This write-up presents a view from a tropical developing country point of view.

11 Jun 2018 5:54 AM IST

Data predict that it will take more than 200 years before there are equal numbers of men and women working in senior roles in physics, given current trends.

STEM the gender gap

Despite recent progress, the gender gap appears likely to persist for generations, particularly in computer science,...

6 Jun 2018 1:21 AM IST

The eco-labelling programme there has been pushed by government procurement. In India, too, the Government is the largest consumer of goods and services so if Government decides to buy only eco-labelled products it would be an impetus to eco-labelling in India.

Eco logos yet to take root

Recently we did a report on the fast-food industry and looked at their policy on antibiotics in developed countries and...

27 May 2018 2:58 AM IST

Eco-labelling is a step towards sustainability, critics though question the purity of logos. There have been lapses by certifying agencies and overlapping of certifier-industry interests. But the onus is on consumers not to splurge on green labelled-products and undermine sustainability.

A corporate Greenwash: Don't let bad guys hijack green labels

Do not splurge on supposedly green products and discourage sustainability.

27 May 2018 2:54 AM IST

There are three main kinds of AIs at present: algorithm-based, neural-network- based machine learning, and deep learning.

How artificial intelligence is poised to transform the world

Is AIs safe? Can they be trusted with real-world responsibilities?.

23 May 2018 2:20 AM IST

Machines learn the same biases of their creators because it is only as good as the data it learns from

AI has the power to learn, grow

You feel the world is following you because Facebook gives you content which it thinks you like.

23 May 2018 2:17 AM IST

20 satellites make up the Global Positioning System, or GPS, enabling precise positions to be measured at any time.

In biz models, no free lunch even in space

The US is in the forefront in this kind of multiple constellations that are looking at different parts of the world.

17 May 2018 2:14 AM IST

The satellites, coded 30th and 31st in the BDS, entered the orbit more than three hours after the launch.

Deciding who can access satellite data

In fact, data from more than half of all unclassified government Earth observing satellites launched between 1957 and...

17 May 2018 2:10 AM IST

Grooming is a process of engaging the child/adolescent in sexual acts by developing trust.

CSA is about power and domination

While one method of CSA is coercive, violent abuse of children, the other processes by which abuses happen are far more...

7 May 2018 4:00 AM IST

The accused has been arrested and booked under section 376 of the IPC and relevant sections of the Protection of Children from Sexual Offences Act.

Deterrence theory is outdated

Far more offences against children are committed not only in India but across the globe.

7 May 2018 3:50 AM IST

Formal education, access to growth opportunities help people to upgrade their talent, while standard of living allows the country to hold back the talent (Photo: Representational)

Must improve quality of life

While a business-friendly climate is a must, we also need hubs that offer good standard of living.

1 May 2018 2:42 AM IST