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 …

Gene-Engineered Cows Resist Mad Cow Disease - Study

US and Japanese scientists reported that they had used genetic engineering to produce cattle that resist mad cow disease. They hope the cattle can be the source of herds that can provide dairy products, gelatin and other products free of the brain-destroying disease, also known as bovine spongiform encephalopathy or …

BYTES

the latest buzz: Researchers at Oregon State University have discovered the oldest bee ever known, a 100-million-year-old specimen preserved in almost lifelike form in amber, and an important link to help explain the rapid expansion of flowering plants during that period. The specimen, at least 35-45 million years older than …

Ancestors of vertebrates did not have a brain

discovery of a new phylum has revealed that human beings and other vertebrates had a common ancestor that did not have a brain. The genetic analysis of this half-inch long organism called Xenoturbulla, with no gonads, gut or brain, found deep in the North Atlantic, shows that it is a …

DU develops technology to wipe out dangerous weed

Delhi University has developed a technology to wipe out dangerous weed Lantana Camara, which has created havoc across the country invading millions of acres of deserted landscapes. The Centre for Environment Management of Degraded Ecosystem (CEMDE), under the School of Environment Studies in DU, made the discovery after a three-year-long …

Tiniest form of life found : Microbes Seen In Caustic Drain Water

The smallest form of life known to science just got smaller. Four million of a newly discovered microbe

Gorilla on fertility drug gives birth

As she feeds her hungry baby, Salome the western lowland gorilla is a picture of proud independence. But without a little help from her human friends, she wouldn't have given birth at all. She is the first gorilla in the world to benefit from a fertility treatment normally used by …

Flying mammal fossil dates to dinosaur age

Scientists have discovered an extinct animal the size of a small squirrel that lived in Chinal atleast 125million years ago and soared among the trees.

Gene governing pain is found:Boy who could walk comfortably on coals provided clues

Geneticists following up on the case of a 10-year old Pakistani boy who could walk on coals without discomfort have discovered a gene that is central to the perception of pain.

Wilidlife photography ain`t that simple

Many of us tend to regard wildlife with a degree of awe. This has much to do with representations by the popular media, images circulated by television channels such as the National Geographic and Discovery, and the curiosity created by a genre of travel writing. Such accounts do help create …

Africans show latest instance of evolution

Surprisingly recent instance of human evolution has been detected among the peoples of East Africa. It is the ability to digest milk in adulthood, conferred by genetic changes that occurred as recently as 3,000 years ago, a team of geneticists has found. The finding is a striking example of a …

Stem cell research guidelines ready, Centre nod is next

GUIDELINES finalised by the Indian Council of Medical Research-Department of Biotechnology (ICMR-DBT) on stem cell research and therapy in the country, after almost two years of nationwide deliberations, suggest a seperate mechanism for review and monitoring of the research at the Central level and a ban on research where germ …

Human brain cells found in whales

Humpback whales have a type of brain cell seen only in humans, the great apes, and other cetaceans such as dolphins, US researchers reported on Monday. This might mean such whales are more intelligent than they have been given credit for, and suggests the basis for complex brains either evolved …

New book of life fills in the gaps

One person's DNA code can be as much as 10% different from another's, researchers said in a finding that questions the idea that everyone on Earth is 99.9% identical genetically. They said their new version of the human genetic map, or

First heart valves grown from womb fluid cells

For the first time, scientists have grown human heart valves using stem cells from the fluid that cushions babies in the womb

Clonings out, but stem cell R&D will have rules

Days of unregulated and unscientific stem cell research in India are numbered with government expected to issue guidelines which clearly disallow human cloning, make donor consent mandatory for embryonic stem cell research and place strict conditions on in vitro culture of human embryos. The extensive guidelines will help ensure that …

Stem cells can help ease muscular dystrophy in dogs: Study

In promising new research, stem cells worked remarkably well at easing symptoms of muscular dystrophy in dogs, an experiment experts call a significant step towards treating people. "It's a great breakthrough for all of us working on stem cells for muscular dystrophy,' said researcher Johnny Huard of the University of …

Neanderthal DNA tells the story of an early human species

The archaic human species that dominated Europe until 30,000 years ago is about to emerge from the shadows. With the help of a new DNA- sequencing machine that operates with firefly light, the bones of the Neanderthals have begun to tell their story to geneticists. One million units of Neanderthal …

Neanderthal DNA reveals a species apart

In a study that would have seemed like science fiction a decade ago, scientists yesterday published the first results from the "Neanderthal genome project". They show that Neanderthals split from our human ancestors about 500,000 years ago and evolved separately, with little or no interbreeding, until Neanderthals became extinct 28,000 …

Stem cell magic: Blind mice can see

Scientists in Britain have restored sight to blind mice by transplanting stem cells at a key stage of development into damaged retinas, the journal Nature reports on Thursday. The feat is being hailed as a breakthrough in stem cell technology, which has suffered from many false dawns. Their work focusses …

Stem cells fill in for liver in mouse experiment

Stem cells grown from mouse embryos helped power a liver replacement device, Japanese and US researchers reported. Their experiment suggests another use for the cells, controversial when taken from human embryos. They used the cells in a bioartificial liver, an implanted device that uses liver cells to replace some liver …

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