Scientists Reproduce a Building Block of Life in Laboratory
(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Niacin, the fountain of youth
The vitamin niacin has a life-prolonging effect, as Michael Ristow has demonstrated in roundworms. From his study, the ETH-Zurich professor also concludes that so-called reactive oxygen species are healthy, ...
Simpler times: Did an earlier genetic molecule predate DNA and RNA?
(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acidsDNA and RNAreign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for ...
Researchers find a clue to how life turned left
Researchers analyzing meteorite fragments that fell on a frozen lake in Canada have developed an explanation for the origin of life's handedness why living things only use molecules with specific orientations. ...
Scientists discover new clue to the chemical origins of life
Organic chemists at the University of York have made a significant advance towards establishing the origin of the carbohydrates (sugars) that form the building blocks of life.
Scientists discover molecular secrets of 2,000-year-old Chinese herbal remedy
For roughly two thousand years, Chinese herbalists have treated Malaria using a root extract, commonly known as Chang Shan, from a type of hydrangea that grows in Tibet and Nepal. More recent studies suggest that halofuginone, ...
Chemists see first building blocks to life on Earth
Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.
Scientists find a biological 'fountain of youth' in new world bat caves
Scientists from Texas are batty over a new discovery which could lead to the single most important medical breakthrough in human history -- significantly longer lifespans. The discovery, featured on the cover of the July ...
Study finds chemical behind cancer resistance in naked mole rats
Two researchers at the University of Rochester have discovered the chemical that makes naked mole rats cancer-proof. Their research paper will be published this week in the journal Nature.
Transition metal catalysts could be key to origin of life, scientists report
One of the big, unsolved problems in explaining how life arose on Earth is a chicken-and-egg paradox: How could the basic biochemicals -- such as amino acids and nucleotides -- have arisen before the biological ...
Scientists Discover New Surprise in a Virus' Bag of Tricks
(PhysOrg.com) -- Yale University researchers have discovered a novel viral survival strategy, an insight that could help scientists better understand how viruses contribute to diseases such as cancer and AIDS.
Did clay mould life's origins?
(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.
Implanted biofuel cell converts bug's chemistry into electricity: Scientists take step toward cyborgs
An insect's internal chemicals can be converted to electricity, potentially providing power for sensors, recording devices or to control the bug, a group of researchers at Case Western Reserve University report.
Scientists create tiny RNA molecule with big implications for life's origins
An extremely small RNA molecule created by a University of Colorado at Boulder team can catalyze a key reaction needed to synthesize proteins, the building blocks of life. The findings could be a substantial ...