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Tuesday, July 22, 2025
TopicDNA

Topic: DNA

CBI to seek AIIMS help on DNA to build watertight case in Kolkata rape-murder

Expert opinion will help the agency ascertain if main accused Sanjay Roy was the only one to commit the crime or whether there were others.

New criminal laws are betting on DNA fingerprinting. India must prepare to offset risks

DNA fingerprinting involves creating a profile of an individual’s genetic make-up. This throws up various legal, quality control, privacy, and human rights issues.

Scientists find naturally existing DNA editing tool in all life, say it increases scope beyond CRISPR

IS110 is a jumping gene that acts as a bridge between bits of unconnected DNA, and exists naturally in humans. The RNA bridge can also be programmed, find two Nature studies.

SubscriberWrites: The marvel of CRISPR: Revolutionizing genetic science

CRISPR is like high-tech pair of scissors that can cut & edit DNA at specific locations, enabling correction of genetic defects, insertion of new genes, or removal of problematic sequences.

MIT scientists develop new tool for long-term DNA storage — Jurassic Park-inspired amber-like polymer

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

Why did Beethoven lose his hearing? A lock of hair holds the key

Beethoven had a penchant for cheap wine sweetened with lead, an international team of researchers found high levels of lead in his hair. Findings published in letter in Clinical Chemistry.

How does our brain form long-term memories? By breaking & repairing DNA, US study finds

The study published in Nature & conducted by scientists from Albert Einstein College of Medicine shows bad experiences cause DNA to break and repair, helping form long-term memory.

A massive genetic study tells us about Indians’ ancestry & perplexing presence of Neanderthals in it

Indian genome closer to Iranian farmers & steppe herders than Africans. Most significant contact between ancestral Indians & Africans was 50,000 years ago, finds preprint UC Berkeley study.

‘India largest genetic lab in the world’ — what completion of India Genome Project means

Completion of Genome India Project was announced at 38th Foundation day celebrations of Dept of Biotechnology. Initiative to conduct sequencing of 10,000 genomes was launched in 2020.

Ancient mangrove forest discovered on Panama island, preserved by a volcano for 22 million years

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

On Camera

Bihar mimics 19th-century American South. Citizenship is now weaponised to exclude voters

Disenfranchisement by institutional fiat is profoundly undemocratic. The effect of the ECI's new documentary process in Bihar will tilt the scales in favour of the BJP.

India-US set to ink mini trade deal soon, reach understanding on agricultural & dairy products

Mini deal will likely see no cut in 10% baseline tariff on Indian exports announced by Trump on 2 April, it is learnt, but additional 26% tariffs are set to be reduced.

Not just AK-203, India & Russia to jointly manufacture AK-19 and PPK-20 for domestic use and export 

India-Russia JV is also racing to deliver 7,000 more AK-203 assault rifles by 15 Aug. These are currently being made with 50% indigenisation and this will surge to 100% by 31 December.

Strategic partner one day, tactical nightmare the next: India’s learning Trumplomacy the hard way

Public, loud, upfront, filled with impropriety and high praise sometimes laced with insults. This is what we call Trumplomacy. But the larger objective is the same: American supremacy.