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Tuesday, December 16, 2025
TopicDNA

Topic: DNA

Sampling DNA from air could help track animals, transform wildlife monitoring

Two groups of researchers sampled DNA from the air in two European zoos and discovered a wealth of genetic material, including from animals outside the zoo and meat fed to animals.

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

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

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

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 

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

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

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’

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

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

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

On Camera

Why district judges almost never make it to India’s Supreme Court

Indian judiciary has a corrosive imbalance between the bar and the bench. Those who supervise the district judiciary do so without the lived experience that is essential for meaningful reform.

India’s merchandise exports to US rising month-on-month despite Trump tariffs, govt data shows

November exports to the US saw 10% growth from the previous month. Overall, in the first 8 months this fiscal, the merchandise exports to the US touched has touched $59bn.

US clears $686-mn package to breathe fresh life into Pakistani F-16s

Of the total package, $649 million will be utilised for additional hardware, software, and support services, and the remaining for Major Defence Equipment (MDE).

India’s top airline just handed sarkar the keys. That’s IndiGo’s real ‘crime’

Don’t blame misfortune. This is colossal incompetence and insensitivity. So bad, heads would have rolled even in the old PSU-era Indian Airlines and Air India.