While astronomers routinely study galaxies much farther away, they’re visible only because they glow with the brightness of billions of stars. And a supernova, often brighter than the galaxy in which it sits, also can be visible across the entire universe. Beyond a distance of about 100 million light-years, however, a star in these galaxies ...
Scientists have created a non-invasive adhesive patch, which promises the measurement of glucose levels through the skin without a finger-prick blood test, potentially removing the need for millions of diabetics to frequently carry out the painful and unpopular tests. The patch does not pierce the skin, instead, it draws glucose out from fluid between cells ...
For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter comes from Earth’s bedrock. The study, to be published April 6 in the journal Science, found that up to 26 ...
New research by scientists shows that when cellular barriers are exposed to metal nanoparticles, cellular messengers are released that may cause damage to the DNA of developing brain cells. The discovery may have implications for the development of potential drug targets in the treatment of neurodegenerative conditions, including Alzheimer’s disease and Parkinson’s disease. Nanoparticles are ...
A tiny particle known as a neutrino is an excellent tool to study the inner workings of atomic nuclei. Unlike electrons or protons, neutrinos have no electric charge, and they interact with an atom’s core only via the weak nuclear force. This makes them a unique tool for probing the building blocks of matter. But ...
Researchers at the University of Michigan Life Sciences Institute and the Howard Hughes Medical Institute have determined how satellite DNA, considered to be “junk DNA,” plays a crucial role in holding the genome together. Their findings, published recently in the journal eLife, indicate that this genetic “junk” performs the vital function of ensuring that chromosomes ...
They have an unwarranted image as brutish and uncaring, but new research has revealed just how knowledgeable and effective Neanderthal healthcare was. The study, by the University of York, reveals that Neanderthals practiced healthcare that was uncalculated and highly effective — challenging our notions that they were brutish compared to modern humans. The researchers argue that ...
It’s likely not the first thing you think of when you see elephant dung, but this material turns out to be an excellent source of cellulose for paper manufacturing in countries where trees are scarce, scientists report. This leads to sustainable paper. And in regions with plenty of farm animals such as cows, upcycling manure ...
No doubt about it, ice cream is a great treat on a hot day. That is, until it drips down the sides of a cone or turns into soup in a bowl. Now, scientists say they are closing in on a cool solution to this sticky problem. They’ve found that adding tiny cellulose fibers extracted ...
Bone measurement analysis indicates that the remains found on a remote island in the South Pacific were likely those of legendary American pilot Amelia Earhart, according to a UT researcher. Richard Jantz, professor emeritus of anthropology and director emeritus of UT’s Forensic Anthropology Center, re-examined seven bone measurements conducted in 1940 by physician D. W. ...
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