Tech
A drug commonly used to manage symptoms of Alzheimer disease and other dementias -- donepezil -- is associated with a two-fold higher risk of hospital admission for rhabdomyolysis, a painful condition of muscle breakdown, compared with several other cholinesterase inhibitors, found a study in CMAJ (Canadian Medical Association Journal).
Dementia is a growing problem, with almost 10 million newly diagnosed cases every year around the world.
Integrated circuits in silicon enable our digital era. The capabilities of electronic circuits have been extended even further with the introduction of photonics: components for the generation, guiding and detection of light. Together, electronics and photonics support entire systems for data communication and processing, all on a chip. However, there are certain things that even electrical and optical signals can't do simply because they move too fast.
Have lights turned on automatically when you walk into a room? Does the air conditioner in the conference room turn on when a certain number of people enter the room?
In today's world, spaces with motion and temperature "smart sensors" are common and generally improve our overall well-being. Often times, data is being gathered from these sensors and is stored and analyzed in order to improve future architectural building design processes.
When Hennig Brandt discovered the element phosphorus in 1669, it was a mistake. He was really looking for gold. But his mistake was a very important scientific discovery. What Brandt couldn't have realized was the importance of phosphorus to the future of farming.
Achieving strength and extensibility at the same time has so far been a great challenge in material engineering: increasing strength has meant losing extensibility and vice versa. Now Aalto University and VTT Technical Research Centre of Finland researchers have succeeded in overcoming this challenge, inspired by nature.
Bottom Line: Using unadjusted suicide rates to describe trends may be skewed because they are affected by differences in age and year of birth. This secondary analysis of data included total population and suicide deaths by single year of age from 10 to 19 and by sex from 1999 to 2017 and accounted for those factors. Unadjusted suicide rates for females were 1.6 per 100,000 in 1999 and 3.5 per 100,000 in 2017, while adjusted rates that accounted for differences in age and year of birth increased from 1.7 per 100,000 in 1999 to 4.2 per 100,000 in 2017.
What The Study Did: This study of 84 young drivers looked at the association between motor vehicle crashes and differences in the development of working memory, which is critical to awareness of hazards while driving.
Authors: Elizabeth A. Walshe, Ph.D., of the University of Pennsylvania in Philadelphia, is the corresponding author.
(doi:10.1001/jamanetworkopen.2019.11421)
The sea-ice extent in the Arctic is nearing its annual minimum at the end of the melt season in September. Only circa 3.9 million square kilometres of the Arctic Ocean are covered by sea ice any more, according to researchers from the Alfred Wegener Institute and the University of Bremen. This is only the second time that the annual minimum has dropped below four million square kilometres since satellite measurements began in 1979.
UNIVERSITY PARK, Pa. -- Students in Pennsylvania school districts that participated in Communities that Care (CTC) coalitions were significantly less likely to use alcohol or marijuana, or to engage in delinquent behavior than those in non-CTC districts, according to a recent study published in Prevention Science.
Penn State researchers analyzed data from 388 Pennsylvania school districts collected during at least one year from 2001-11, from the Pennsylvania Youth Survey (PAYS), a bi-annual survey of youth in sixth, eighth, 10th and 12th grades.
Since Friedrich Wohler synthesized urea (by accident) back in 1828, chemical synthesis - and organic synthesis for that - has been a driving force in pharmaceutical innovation. Improving the lives of people worldwide, the medicines available nowadays are only possible thanks to the continuous advancement of synthetic chemistry, allowing scientists to design and build new molecules. Now, Marcos G.
A team of engineers at UC San Diego has discovered a method that could make materials more resilient against massive shocks such as earthquakes or explosions. Undergraduate researchers in the structural engineering lab of Professor Veronica Eliasson used a shock tube to generate powerful explosions--at Mach 1.2 to be exact, meaning faster than the speed of sound. They then used an ultra high-speed camera to capture and analyze how materials with certain patterns fared.
The first-ever comet from beyond our Solar System has been successfully imaged by the Gemini Observatory in multiple colors. The image of the newly discovered object, denoted C/2019 Q4 (Borisov), was obtained on the night of 9-10 September using the Gemini Multi-Object Spectrograph on the Gemini North Telescope on Hawaii's Maunakea.
NASA-NOAA's Suomi NPP satellite passed over the Eastern Pacific Ocean in the early hours of Sept. 12 and grabbed a nighttime look at Tropical Storm Kiko.
Kiko developed on Sept. 11 as Tropical Depression 13E and strengthened into a tropical storm by 5 p.m. EDT. Once it attained tropical storm status, it was named Kiko.
Wake Forest Institute for Regenerative Medicine scientists have fine-tuned their delivery system to deliver a DNA editing tool to alter DNA sequences and modify gene function. The improved "hit and run" system works faster and is more efficient.
As the Bahamas continue to recover from Category 5 hurricane Dorian, a new developing tropical cyclone is bringing additional rainfall to an already soaked area.
The Global Precipitation Measurement mission or GPM core satellite provided a look at those rainfall rates occurring in Potential Tropical Cyclone Nine, located over the Bahamas.