Life Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Stereo smell

a team of Indian scientists has found that rats smell in stereo mode

Stem-cell draft norms ban cloning, restrict embryonic research

Stem-cell research has had globally hi-profile supporters, including 'Superman' actor, the late Christopher Reeve. It has vocal detractors as well. But India expects to put its draft national guidelines on stem-cell research in public domain, to initiate a debate on contentious issues such as embryonic stem-cell research, a senior official …

Stinking tree treats cancer

a tree found in India is the world's richest source of camptothecin (cpt), a drug used to treat cancers of the ovaries and the colon. In an effort to ensure sustainable availability of cpt, researchers from Bangalore have carried out a survey of Nothapodytes nimmoniana trees in the Western Ghats. …

DNA damage from eating red meat linked to cancer

Eating large quantities of red meat can increase your risk of bowel cancer by producing substances in the gut that damage DNA, a study reveals today. A comparison of cells from the lining of the colon shows that people who eat a diet high in high red meat have a …

Mammoth task

populations of the Asian elephant (Elephas maximus) across India do not belong to one family, according to T N C Vidya and R Sukumar of the Centre for Ecological Sciences, Indian Institute of Science (iisc), Bangalore. The pachyderm population has undergone considerable genetic separation in two particular pockets, due to …

Stem cell transplant hospital on anvil

Chennai-based LifeCell is coming up with what they promise will be the country's first stem cell transplant hospital. They are making another promise

Bees know you

To humans, all honeybees may look alike. But not all humans appear the same to bees. A study has found that the insects can learn to recognise human faces from photographs, and remember them for at least two days. The finding puts a question mark on the belief that facial …

Dino munchies

dinosaurs, especially the herbivorous ones, have been the largest land animals ever. It seems natural that they would have fed on trees and huge cycads to satiate their gargantuan appetites. But would they have deigned to feast on the lowly grass? Yes, is the surprising answer from the latest research. …

Captures nano details

the latest research in the nascent field of synthetic biology has thrown up a method to take photographs using bacterial film, which can detect nano-metre (one-billionth of a metre) features and print ultra-detailed images. A group of student researchers from the University of California at San Francisco in the us …

Twist in the tale: When mice beget rats

In Major Scientific Breakthrough, Japanese Develop Rats From Sperm Cells Generated By A Different Species. Truth is stranger than fiction. And to prove it, Japanese scientists have generated rats from mice that developed rat sperm, livescience.com reported on Tuesday. The breakthrough marks the first time researchers produced healthy offspring from …

India first stem cell transplant centre launched

India first stem cell transplant centre went on stream in chennai, Tamil Nadu where stem cells taken from a mother's womb during childbirth will be preserved as it is believed to have the potential to cure more than 75 disease, Life Cell a pioneer in stem cell banking and research …

Earliest birds flew using wings on arms, legs

Palaeontologists have said that bird flight evolved using both front and hind limbs as wings. A new research by a University of Calgary palaeontologist has revealed that the earliest known ancestors of modern day birds took to skies by gliding from trees using primitive feathered wings on their arms and …

Now, stem cells extracted from dead embryos

Scientists say they have created a stem cell line from a human embryo that had stopped developing naturally, and so was considered dead. Using such embryos might ease ethical concerns about creating such cells, they suggested. One expert said the technique makes harvesting stem cells no more ethically troublesome than …

US firm reports making stem cells without harming embryos

A US biotechnology company has developed a new way of creating stem cells without destroying human embryos, billing it as a potential solution to a contentious political and ethical debate. "This will make it far more difficult to oppose this research,' said Robert Lanza of Advanced Cell Technology, the Alameda, …

Stunning fossil of 3-yr-old girl found

Scientists have discovered a remarkably complete skeleton of a 3-year-old female from the ape-man species represented by "Lucy'. The remains are 3.3 million years old, making them the oldest known skeleton of such a youthful human ancestor. The skeleton was discovered in 2000 in northeastern Ethiopia.

First Complete skeleton of early human child is discovered

The first complete skeleton of an early human ancestor as a young child has been discovered in Ethiopia. The three year old girl, who died 3.3m years ago, walked on two legs but her upper body has ape-like features appropriate for climbing trees.

Project fuel-efficient cows

Sceintists have launched a multi-million dollar project to reduce flatulemce in cows, hoping that a drop in gas can help in the fight against global warming. The project aims ot breed more efficient cows that conver their food into more milk and less methane, one of the greenhouse gases blamed …

Possible key human evolution genes identified

They could be the missing links of human genetic evolution

Missing link in human evolution identified?

They could be the missing links of human genetic evolution

Genetic code of a tree gets unlocked

Researchers have deciphered for the first time the genetic code of a tree, which could lead to new varieties better at producing wood, paper and fuel. The work could vastly increase cultivation of the black cottonwood, a fast-growing poplar already used by the timber and paper industries. Details of the …

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