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Tuesday, September 23, 2025
TopicDNA

Topic: DNA

Scientists discover 1,600-yr-old mummy of a sheep, & seismometres can trace wandering elephants

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

Aryans or Harappans—Who drove the creation of caste system? DNA holds a clue

Namit Arora -
In ‘Indians’, Namit Arora writes that scientists trace the earliest instances of endogamy in the subcontinent to the first millennium BCE.

E-DNA was tracking endangered animals. Then it was recruited to fight Covid pandemic

Jessica Alice Farrell -
Environmental DNA takes advantage of the fact that every animal sheds DNA into its environment as it moves through the world.

X-rays detected from Uranus for the first time 

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

World’s oldest DNA sequenced, belongs to million-year-old Siberian mammoth excavated in 1970s

Sandhya Ramesh -
The findings reveal clues into how other mammoths evolved and provide evolutionary evidence of interbreeding species creating new ones.

Alcohol abuse can change male DNA for three months after stopping, says NIMHANS study

Sandhya Ramesh -
The study has implications for treatment of Alcohol Use Disorder, mostly treated with abstinence which often results in relapse.

Gene-editing cures progeria in mice — a fatal condition Amitabh Bachchan portrayed in ‘Paa’

Sandhya Ramesh -
The Harvard-led study, also involving Vanderbilt University and the US govt’s National Institutes of Health, used a technique inspired by the gene-editing technology CRISPR.

DNA as a flash drive? When scientists stored the message ‘hello world’ inside living cells

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week.

Scientists reveal why North Magnetic Pole has shifted from Canada towards Siberia

Mohana Basu -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.

Tropical forests could soon add carbon dioxide to the atmosphere instead of reducing it

Sandhya Ramesh -
ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their sources.
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On Camera

YourTurn

Opinion

Bads of Bollywood can’t get more brazenly nepo. The joke’s on us

Shobhaa De -
After watching the most discussed series on Netflix, I was planning to write an asterisk-heavy column. As a tribute to the asterisks in its...

Should Goa share Mhadei waters? A living river can’t be divided like property

Before Balakot, there was Burki. Lessons from India’s underplayed victory in 1965

Economy

Market regulator SEBI clears Adani Group of impropriety alleged by Hindenburg Research

Sampurna Panigrahi -
SEBI probe concluded that purported loans and fund transfers were paid back in full and did not amount to deceptive market practices or unreported related party transactions.

Defence

India takes a relook at Russian Su-57, but not for its stealth. Here’s why

Snehesh Alex Philip -
India exited the Indo-Russian FGFA programme in 2018. But now it might procure at least 2 squadrons of Su-57 aircraft from Russia and evaluate Russian proposal to manufacture them in India.

National Interest

India doesn’t give walkovers to Pakistan in war. Here’s why it shouldn’t do it in cricket either

Shekhar Gupta -
Many really smart people now share the position that playing cricket with Pakistan is politically, strategically and morally wrong. It is just a poor appreciation of competitive sport.

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