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Telecom to oil firms: Q2 results give no clear sign of broad revival

The economy is on the mend but sustained recovery will take time: that's the picture you get by studying the July-September quarter results of 1,286 listed companies. Devangshu Datta reads the numbers

Decoded: Why the Moderna Covid-19 vaccine holds promise over Pfizer's

The Pfizer vaccine (more than 90 per cent effective) must be stored at minus 20 degrees Celsius. Creating cold chains to deliver this to billions is impossible in any reasonable time

Explained: How to get humans to travel through near-vacuum tubes

Vacuums are expensive to create and maintain, especially over large distances. The hyperloop path is ideally not loopy. It should be a straight line, with few inclines

The chase for 16 Psyche, asteroid that is costlier than Earth

It's estimated 16 Psyche contains 24 million-trillion tonnes of metal - that's 24 followed by 15 zeros. This has a notional value of something like $10,000 followed by 15 zeros

Lee's death raises questions over Samsung's future in electronics industry

The death of its iconic promoter, Lee Kun-hee, raises questions over how long the chaebol can maintain its gigantic footprint in the global electronics industry

Beyond the popular vote

A Democratic majority in both Congress chambers aligned with the president would allow a rollback of many poor policies

Proposed health data policy puts question mark on privacy concerns

The propesed policy is built on the foundations of legislation that doesn't exist. It also seems to be more concerned about monetisation of such data, than with the protection of privacy

The Nobel change

There are question-marks about the way the prizes work

Your WhatsApp messages are encrypted, but are they really secure?

Apart from physical access to handsets, metadata and backups are two common ways in which private communications can be broken

Possibility of life on Venus: Remote hope with need for ample caution

A team of astronomers led by Jane Greaves of Cardiff University discovered that the planet has a high concentration of phosphine gas (Ph3)

What, where, and when: Here's how data collectors track all details

Anonymised data, picked up in several ways, cater to large complex markets

War with digital tools: Hybrid warfare and the damage it can inflict

Much of hybrid warfare is deniable. If a hacker takes down a public asset, it is hard to prove he was acting on behalf of a foreign government

States fail when they let their monopolies on violence or taxation slide

Do you know of a state which has let vigilantes commit violence on its behalf and has reneged on disbursal of taxes? I can't think of any, writes Devangshu Datta

Tremors of PUBG Mobile ban shake up India's entire gaming ecosystem

The ban follows on the heels of an earlier ban that blocked 59 apps, including TikTok

India's dramatic chase for the chess gold in first online Olympiad

Win in the first online Olympiad may just have a similar impact on the game as the 1983 World Cup had on cricket

Voda Idea in danger of becoming a 'zombie' telco; may just about survive

The initial impression is that Vodafone Idea will struggle to manage this level of staggered payments, given that it owes over Rs 58,000 crore

Decisive moves defy setbacks as India beats Armenia in chess to enter semis

Grandmasters Koneru Humpy and Vidit Gujrathi suffered near simultaneous power outages, with Humpy playing from Vijayawada and Gujrathi from Nashik

The good mosquito versus the bad

Starting 2021, around 750 million genetically modified (GM) Aedes Aegypti mosquitoes will be released in batches into the Florida Keys

Degrees of control

By educating the populace, a one-party state ensures capacities in science, engineering, health care, etc

Marking out the markets as coronavirus makes economic recovery uncertain

While coronavirus cases keep rising in India, there could be more lockdowns to contain the coronavirus as the economy sputters back to life. Devangshu Datta predicts where the markets could be headed