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R Ramachandran

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Caesarean babies get less of mother’s gut bacteria

R. Ramachandran

A recent study of neonatal microbiomes (gut bacteria), the largest ever undertaken, has ...

How water holds DNA together

R. Ramachandran

Researchers at Chalmers University of Technology, Sweden, have discovered a new feature in ...

Bald as a black hole

R. Ramachandran

According to Albert Einstein’s theory of general relativity, a black hole, born from the ...

Power from night sky

R. Ramachandran

A team of engineers from the University of California at Los Angeles (UCLA) and Stanford ...

Physics

Neutrino gains

R. Ramachandran

In the last edition of “Science Notebook” (September 27), we reported an upper limit on ...

Astronomy

Telescope throws new light on Saturn’s rings

R. Ramachandran

The latest view of Saturn from the Hubble Space Telescope captures exquisite details of ...

Astrophysics

Neutrino mass gets an upper limit

R. Ramachandran

Neutrinos, the mysterious and elusive chargeless particles with extremely tiny masses that ...

Medicine

Recreating the retina to test harmful drugs

R. Ramachandran

German scientists have developed “retina-on-a-chip”, a technology that combines living ...

Astrophysics

Star dust in Antarctica

R. Ramachandran

Scientists have found particles of a rare isotope of iron (Fe-60) in Antarctica snow, ...

Chemistry

First ever stable ring of pure carbon

R. Ramachandran

Pure carbon is known to come in several configurations, called allotropes in chemistry.

Meteorology

Hottest July on record

R. Ramachandran

JULY 2019 was the hottest July ever recorded on earth, according to a release of August 15 ...

Physics

Lasers to weld ceramic

R. Ramachandran

A TEAM of engineers led by the University of California San Diego has developed a new ...

Physics

Making objects “invisible” in fluids

R. Ramachandran

TWO research groups have designed structures that can hide objects from flows and waves in ...

Astronomy

Surprise merger in deep space

R. Ramachandran

A team of gravitational astronomers, including those from The Australian National ...

Aerospace

Lasers tell the distance between spacecraft

R. Ramachandran

Researchers have measured the distance between a pair of satellites 200 km apart with an ...

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Slideshow

The lion-tailed macaques of Valparai

A shy, exclusively fruit-eating, arboreal primate endemic to the Western Ghats, the lion-tailed macaque has been classified by the International Union ...
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The Hindu Centre

COVID-19 Vaccines: Operational Guidelines (updated on Dec. 28, 2020) [PDF 3.07 MB]

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Approval for Bharat Biotech's COVID-19 vaccine Covaxin lacks scientific basis
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