Anxious and forgetful after menopause? Low estrogen may be to blame
Lack of estrogen may play a role in the development of anxiety and memory problems, according to a new rodent study.
Doctors issue caution over missed cancer diagnoses tied to immune disorder
Physicians who specialize in a devastating and aggressive immune disorder called hemophagocytic lymphohistiocytosis (HLH) report in a new study that extra care should be taken to ensure an HLH diagnos..
Attosecond pulse leads to highest molecular level probe resolution
Devising a source of ultra-fast X-ray pulsating in the attosecond range is no mean feat. It enables physicists to probe dynamic processes in matter with unprecedented time resolution. Now, a team of p..
No ‘reservoir’: Detectable HIV-1 in treated human liver cells found to be inert
In a proof-of-principle study, researchers report that a certain liver immune cell called a macrophage contains only defective or inert HIV-1 copies, and aren't likely to restart infection on the..
Future cars to be made from revolutionary new material
A new material that is as stiff as metal but flexible enough to withstand strong vibrations could transform the car manufacturing industry, say experts.
Where did broadleaved evergreen trees survive during the last glacial period in Japan?
Scientists have modeled the phylogeographic relationships and demographic changes of Castanopsis sieboldii, which is a dominant tree of the broadleaved evergreen forests of Japan, dating back to about..
Ciprofloxacin has dramatic effects on the mitochondrial genome
A study investigated the effect of ciprofloxacin on mitochondria, the important cell organelles in our body that produce the energy for cellular function. Ciprofloxacin stopped normal maintenance and ..
Mediterranean diet prevents a leading cause of blindness, study suggests
Evidence is mounting that a poor diet plays an important role in the development of age-related macular degeneration (AMD), a leading cause of blindness in the United States.
Keeping our cells stable: A closer look at microtubules
Microtubules help to regulate cell structure throughout our bodies. A group of researchers have used cryo-electron microscopy to shed light on how a certain protein keeps microtubules stable, and regu..
Artificial sweeteners have toxic effects on gut microbes
The collaborative study indicated relative toxicity of six artificial sweeteners (aspartame, sucralose, saccharine, neotame, advantame, and acesulfame potassium-k) and 10 sport supplements containing ..