Culture
Infertility affects females and males equally. In male infertility, azoospermia (a medical condition with no sperm in semen) is a major problem that prevents a couple from having a child. For the treatment of patients with azoospermia, testicular sperm extraction (TESE) is required to obtain mature sperms. When examined, histological specimens are typically given a score, called the Johnsen score, on a scale of 1 to 10, based on the histopathological features of the testis.
As humans, the weather where we live influences our energy consumption. In climates where weather shifts from hot summers to very cold winters, humans consume more energy since the body has to work harder to maintain temperature.
In much the same way, weather influences microbes such as bacteria and fungi in the soil. Seasonal fluctuations in soil temperature and moisture impact microbial activities that in turn impact soil carbon emissions and nutrient cycles.
BEER-SHEVA, Israel May 10, 2021 - Researchers from Ben-Gurion University (BGU), together with American and German colleagues, have developed new "molecular tweezers" to combat antibiotic-resistant bacteria. Their recently announced findings were published in Cell Chemical Biology.
For years, medical professionals have struggled with bacterial infections becoming increasingly resistant to antibiotics. These molecular tweezers may be the key to battling one of greatest public health issues of the 21st century.
Whether wastewater is full of "waste" is a matter of perspective.
"Why is it waste?" asked Zhen (Jason) He, professor in the Department of Energy, Environmental & Chemical Engineering in the McKelvey School of Engineering at Washington University in St. Louis.
"It's organic materials," He said, and those can provide energy in a number of ways. Then there's the other valuable resource in wastewater.
Water.
Chinese researchers achieved 51.5dB nonreciprocal isolation in the atomic ensemble, which is the highest isolation ratio in the non-magnetic nonreciprocal field. They discussed the quantum noise problem in nonreciprocal devices for the first time.
The result was published on Nature Communications on April 22, 2021.
COLUMBUS, Ohio - Watching meaningful films - those that we find moving and poignant - can make us feel more prepared to deal with life's challenges and want to be a better person, a new study found.
The findings point to one reason why people may choose to see movies that make them sad as well as happy and that may explore difficult subjects that aren't always uplifting.
TAMPA, Fla. (May 10, 2021) -- Blocking the fat-busting enzyme lipoxygenase with a synthetic inhibitor throws the immune system's innate inflammatory response out of whack, compromising cardiac repair during acute heart failure, USF Health researchers found.
Their new preclinical study was published April 13 in Biomedicine & Pharmacotherapy.
WASHINGTON - A neurologic pathway by which non-damaging but high frequency brain impact blunts normal brain function and causes long-term problems with learning and memory has been identified. The finding suggests that tailored drug therapy can be designed and developed to reactivate and normalize cognitive function, say neuroscientists at Georgetown University Medical Center.
A team of researchers at the Institute of Laser Engineering, Osaka University, in collaboration with Bielefeld University and Technical University Braunschweig in Germany, came closer to unraveling the complicated optical response of wide-bandgap semiconductor multiple quantum wells and how atomic-scale lattice vibration can generate free space terahertz emission. Their work provides a significant push towards the application of laser terahertz emission microscopes to nano-seismology of wide-bandgap quantum devices.
Point-of-Care UltraSonography (POCUS) deployed during the emergency treatment of patients with acute dyspnea has enormous advantages over standard diagnostic pathways. This is the finding of a joint review conducted by Danube University Krems and MedUni Vienna and recently published in the prestigious Annals of Internal Medicine. It allows serious conditions to be identified more quickly so that appropriate treatment can be initiated.
The first global review of complementary medicines (herbal and dietary supplements) for weight loss in 16 years--combining 121 randomised placebo-controlled trials including nearly 10,000 adults--suggests that their use cannot be justified based on the current evidence.
Vegetarians appear to have a healthier biomarker profile than meat-eaters, and this applies to adults of any age and weight, and is also unaffected by smoking and alcohol consumption, according to a new study in over 166,000 UK adults, being presented at this week's European Congress on Obesity (ECO), held online this year.
PHILADELPHIA-- Alcohol-impaired driving kills 29 people a day and costs $121 billion a year in the U.S. After years of progress in reducing alcohol-impaired driving fatalities, efforts began to stall in 2009, and fatalities started increasing again in 2015.
A complicated interaction between different proteins is needed for information to pass from one nerve cell to the next. Researchers at the Martin Luther University Halle-Wittenberg (MLU) have now managed to study this process in the synaptic vesicles, which play an important role in this process. The study appeared in the journal Nature Communications.
The use of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, does not lead to higher rates of death or severe disease in patients who are hospitalised with COVID-19, according to a new observational study of more than 72,000 people in the UK published in The Lancet Rheumatology journal.