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Alind Chauhan
Alind is a Delhi-based journalist with the Explained team of The Indian Express. His body of work includes analysis and reporting on science, climate change and artificial intelligence. He has previously worked with The Hindustan Times and CNN-News18. He has a postgraduate diploma in journalism from Asian College of Journalism, Chennai, and a Bachelor of Technology degree in mechanical engineering. His email: alindchauhan998@gmail.com
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Explained: In a first, how a customised gene-editing tool was used to treat 9-month-old boySubscriber Only
May 27, 2025 07:00 IST
In 2012, scientists Jennifer Doudna and Emmanuelle Charpentier replicated this mechanism found in microbes to develop a gene-editing tool, which they called CRISPR-Cas9
Tue, May 27, 2025
Why China’s upcoming Tianwen-2 mission could be significant for finding clues about quasi-satellitesSubscriber Only
May 25, 2025 08:15 IST
If successful, the mission will place China in a group of a handful of countries — including the United States and Japan — which have been able to sample asteroids and return the samples to Earth successfully.
Sun, May 25, 2025
Explained: As Trump blocks Harvard from enrolling international students, what this means for existing, aspiring studentsSubscriber Only
May 23, 2025 13:08 IST
Trump Harvard Ban Impact Explained: How does the latest blow impact Harvard University and its international students? Why is the University in Trump's crosshairs? We explain.
Sun, May 25, 2025
Member states of WHO adopt global pandemic treaty: What does it entail?Subscriber Only
May 21, 2025 19:04 IST
The negotiations for a global pandemic treaty began in December 2021, at a time when the Omicron variant of SARS-CoV-2 was spreading across the world and producing a massive new surge of COVID-19
Wed, May 21, 2025
How renowned cosmologist Jayant Narlikar helped build the steady-state theory of the universeSubscriber Only
May 20, 2025 14:11 IST
Cosmologist Jayant Narlikar Contribution: Narlikar’s main contribution was in modifying Einstein’s general relativity equations in a manner consistent with the creation of new matter in the universe.
Wed, May 21, 2025
How Argentina’s most famous glacier, once unusually stable, is now crumblingSubscriber Only
May 17, 2025 17:04 IST
For several decades the Perito Moreno glacier was unusually stable, unlike other glaciers across the world, amid soaring global temperatures. But this changed around 2020.
Sat, May 17, 2025
AI basics | OpenAI’s latest AI models report high ‘hallucination’ rate: What does it mean, why is this significant?Subscriber Only
May 15, 2025 11:00 IST
Hallucination has been an issue with AI models from the start, and big AI companies and labs, in the initial years, repeatedly claimed that the problem would be resolved in the near future. However, it now seems that the issue is here to stay.
Thu, May 15, 2025
NOAA slashes its weather balloon launches: Why is this significant?Subscriber Only
May 13, 2025 20:05 IST
Twice a day, about 900 weather stations around the world launch weather balloons in a coordinated international programme to measure conditions in the upper atmosphere. The launch takes place at 0000 UTC (Coordinated Universal Time) and 1200 UTC.
Thu, May 15, 2025
What are Turkish Songar drones, used by Pak to attack India?Subscriber Only
May 09, 2025 21:37 IST
Designed and manufactured by Turkey-based defence company Asisguard, Songar drones were first launched in April 2019, and delivered to the Turkish Armed Forces (TAF) after successful completion of their testing in February 2020
Sat, May 10, 2025
Soviet-era spacecraft, launched 50 years ago, to crash back to Earth: Should you be worried?Subscriber Only
May 08, 2025 08:48 IST
The part, which is from the Kosmos 482 mission, was supposed to land on Venus but could not as something went wrong with the spacecraft, and it failed to finish its mission
Wed, May 07, 2025
Israel plans to reoccupy all of Gaza: What happened when it did so the last timeSubscriber Only
May 06, 2025 20:17 IST
The development came nearly 20 years after Israel technically ended its occupation of the Gaza Strip. The Jewish state had seized control of the Palestinian enclave in 1967, and remained there till 2005 when it decided to withdraw its troops and settlers from Gaza
Tue, May 06, 2025
Story of the infamous Alcatraz prison, which Trump wants to reopen nowSubscriber Only
May 06, 2025 12:15 IST
The island facility has been used as a fort, a military prison, and for housing some of America’s most notorious criminals throughout history. What led to its shutdown?
Wed, May 07, 2025
Storm in Delhi, floods in hill states: Impact of climate change-induced changing patterns of Western DisturbancesSubscriber Only
May 02, 2025 19:36 IST
Delhi and its surrounding areas woke up to heavy rainfall and strong winds on Friday. They brought relief amid the May heat, but what exactly triggered these unseasonal rains? Does climate change have a role to play?
Sun, May 04, 2025
How Agent Orange, used by the US during war, haunts Vietnam’s presentSubscriber Only
April 30, 2025 18:42 IST
Estimates suggest that currently, there are 3 million people, including many children, in Vietnam who are still suffering from serious health issues associated with exposure to Agent Orange
Wed, Apr 30, 2025
The history and evolution of monsoon forecasting in IndiaSubscriber Only
April 28, 2025 07:20 IST
The efforts to make accurate forecasts of the southwest monsoon go back to 1870s. It is through a long process of trial and error that the IMD has improved its predictions. But there is scope to do better.
Mon, Apr 28, 2025
Lack of innovation, ignoring mobile wave, missing AI boom: Why Intel is strugglingSubscriber Only
April 26, 2025 15:27 IST
Once the world’s most dominant designer and manufacturer of computer chips, Intel has become a shadow of itself in recent years, struggling to keep up with industrial rivals. Here is the story of what went wrong with Intel
Sun, Apr 27, 2025
Does the new global pandemic treaty have enough teeth?Subscriber Only
April 22, 2025 16:53 IST
Although the agreement on the draft treaty has been hailed as groundbreaking and historic, several experts have said that it has a limited scope
Tue, Apr 22, 2025
Why the first-ever confirmed image of the colossal squid in deep sea is significantSubscriber Only
April 20, 2025 15:27 IST
The cephalopod was first discovered in 1925 when scientists found arm fragments from two squid in the belly of a sperm whale. Until last month, humans had not seen it in the depths of the Southern Ocean, its natural habitat.
Mon, Apr 21, 2025
AI basics: How TPU is different from CPU and GPUSubscriber Only
April 15, 2025 16:43 IST
The field of AI is notoriously filled with jargon. To better understand what is going on, here is a series of explainers, which will break down some of the most common terms used in AI, and why they are important
Tue, Apr 15, 2025
Katy Perry, all-female crew go to space: Is space tourism worth it?Subscriber Only
April 14, 2025 18:56 IST
As the space tourism industry has grown by leaps and bounds, the concerns — from how expensive the ticket to space is to environmental impacts — around it have also increased
Mon, Apr 14, 2025
Tracking the world’s forests: how the ESA’s Biomass mission will workSubscriber Only
April 14, 2025 08:00 IST
The satellite is scheduled to lift off on April 29 aboard a Vega C rocket from the ESA’s Korou spaceport in French Guiana
Mon, Apr 14, 2025
‘De-extinction’: Has an American company brought the dire wolf back from the dead?Subscriber Only
April 08, 2025 18:43 IST
De-Extinction Dire Wolf: While Colossal has called the pups it has bred 'dire wolves', it has maintained these are not entirely the same species that roamed the earth ages ago. Are the pups really dire wolves or just gene-edited grey wolves?
Tue, Apr 08, 2025
ESA’s satellite to monitor forests: Everything you need to know about the upcoming Biomass missionSubscriber Only
April 08, 2025 08:21 IST
The mission will lift off on April 29 aboard the Vega C rocket from Europe’s spaceport in French Guiana. It will be placed in a sun-synchronous orbit (SSO) — a type of orbit in which satellites are in sync with the Sun — at an altitude of around 666 km
Mon, Apr 07, 2025
Story of Nintendo: How a company that made handcrafted playing cards became a billion dollar tech giantSubscriber Only
April 05, 2025 20:34 IST
The Japanese company, most known for its video games and consoles, was founded in 1889. Today, it boasts a market cap of almost $90 billion
Sat, Apr 05, 2025
Democratic-backed Susan Crawford wins: Why the Wisconsin’s SC race was significantSubscriber Only
April 02, 2025 16:00 IST
Crawford, a liberal Dane County judge who served in top roles under a Democratic governor, was up against Schimel, a conservative Waukesha County judge and former Republican state attorney general
Wed, Apr 02, 2025Journalism of Courage
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