NASA studying ways to make 'tractor beams' a reality
Tractor beams -- the ability to trap and move objects using laser light -- are the stuff of science fiction, but a team of NASA scientists has won funding to study the concept for remotely capturing planetary ...
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.
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.
Natural affinities—unrecognized until now—may have set stage for life to ignite
The chemical components crucial to the start of life on Earth may have primed and protected each other in never-before-realized ways, according to new research led by University of Washington scientists.
Feeding RNAs to a molecular shredder: Scientists unravel the structure of a regulatory protein complex in RNA disposal
Much in the same way as we use shredders to destroy documents that are no longer useful or that contain potentially damaging information, cells use molecular machines to degrade unwanted or defective macromolecules. ...
Molecular fossil: Crystal structure shows how RNA, one of biology's oldest catalysts, is made
(PhysOrg.com) -- In today's world of sophisticated organisms proteins are the stars. They are the indispensible catalytic workhorses, carrying out the processes essential to life. But long, long ago ribonucleic ...
Study finds link between low oxygen levels in body and cancer-aiding protein
What began as research into how diabetics could possibly preserve their eyesight has led to findings that could prolong the vision of children afflicted with retinoblastoma.
Researchers unveil new method for detecting lung cancer
When lung cancer strikes, it often spreads silently into more advanced stages before being detected. In a new article published in Nature Nanotechnology, biological engineers and medical scientists at the ...
Novel nanoparticle delivers powerful RNA interference drugs
Silencing genes that have malfunctioned is an important approach for treating diseases such as cancer and heart disease. One effective approach is to deliver drugs made from small molecules of ribonucleic acid, or RNA, which ...
Researchers discover Ebola's deadly secret
(PhysOrg.com) -- Research at Iowa State University has led scientists to uncover how the deadly Zaire Ebola virus decoys cells and eventually kills them.
Ancient enzymes function like nanopistons to unwind RNA
Molecular biologists at The University of Texas at Austin have solved one of the mysteries of how double-stranded RNA is remodeled inside cells in both their normal and disease states. The discovery may have implications ...
Respiratory virus infection triggers new class of biomolecules
(PhysOrg.com) -- For the first time, scientists have discovered that a poorly understood class of RNA produced in a mammal's cells during a respiratory virus attack may affect the outcome of the infection. ...
Powerful supercomputer peers into the origin of life
(PhysOrg.com) -- Supercomputer simulations at the Department of Energy's Oak Ridge National Laboratory are helping scientists unravel how nucleic acids could have contributed to the origins of life.
PNAS paper cites discovery of small RNA 'quality-control' mechanism
(PhysOrg.com) -- When a person is exposed to a cold virus, whether he or she actually becomes ill may come down to how well short snippets of RNA in the person's defense response system interact with the RNA-based ...