Researchers from an international collaboration have succeeded in creating a "protein cage"—a nanoscale structure that could be used to deliver drugs to specific places of the body, and which can be readily assembled and disassembled, but also withstands boiling and other extreme conditions. They did this by exploring geometries not found in nature reminiscent of "paradoxical geometries" found in Islamic art.
* This article was originally published here
Wednesday, 8 May 2019
HIV epidemic stubbornly persists despite proven tool to prevent spread
The nation's HIV epidemic remains stubbornly persistent, with almost 40,000 new infections annually in the United States. That's despite the fact that physicians have a proven tool to prevent the spread of the virus among high-risk individuals. The question is: Why isn't pre-exposure prophylaxis, or PrEP, more widely prescribed?
* This article was originally published here
* This article was originally published here
Ridesharing companies worsened congestion in San Francisco: study
One of the early promises of the ride-hailing era ushered in by Uber and Lyft was that the new entrants would complement public transit, reduce car ownership, and help alleviate urban congestion.
* This article was originally published here
* This article was originally published here
Radioactive carbon from nuclear bomb tests found in deep ocean trenches
Radioactive carbon released into the atmosphere from 20th-century nuclear bomb tests has reached the deepest parts of the ocean, new research finds.
* This article was originally published here
* This article was originally published here
UN shifts response as Ebola outbreak in DR Congo drags on
The United Nations is stepping up its response to the deadly Ebola outbreak in the Democratic Republic of Congo, now in its 10th month, and needs additional resources, Secretary-General Antonio Guterres said Wednesday.
* This article was originally published here
* This article was originally published here
Box of Pain: A new tracer and fault injector for distributed systems
In computer science, distributed systems are systems with components located on different devices, which communicate with one another. While these systems have become increasingly common, they are typically filled with bugs.
* This article was originally published here
* This article was originally published here
Study: Some skin cancer doctors cut more
A new study shows that some surgeons cut away significantly more tissue than their peers when removing skin cancer lesions.
* This article was originally published here
* This article was originally published here
Match me if you can: Cryptographic breakthrough helps spies to shake hands
When spies meet, they use secret handshakes to confirm their identities, ensuring they are who they say they are. Now, researchers at Stevens Institute of Technology, and colleagues, have solved a 15-year-old problem that allows handshake-style encryption to be used for time-delayed digital communications such as email—a challenge once thought to be impossible.
* This article was originally published here
* This article was originally published here
Location and brand affect people's trust in cloud services
People's stereotypes regarding different locations around the world influence whether they feel secure in storing their data in cloud service centers in those locations, according to researchers at Penn State, who also found that stereotypes regarding brand authority influence people's trust in cloud services.
* This article was originally published here
* This article was originally published here
Exobiology in a box
The International Space Station is the platform to study a variety of fields without gravity getting in the way. A new experiment is furthering the Station's capabilities for investigating exobiology, or the study of life in space.
* This article was originally published here
* This article was originally published here
Doctors eye deep brain stimulation to treat opioid addiction
Patient Number One is a thin man, with a scabby face and bouncy knees. His head, shaved in preparation for surgery, is wrapped in a clean, white cloth.
* This article was originally published here
* This article was originally published here
Train your brain to eat less sugar
More than half of American adults consume excess added sugars, according to the U.S. Department of Health and Human Services. Major dietary guidelines recommend limiting foods high in added sugars. A recent study led by Evan Forman, Ph.D., a psychology professor in Drexel University's College of Arts and Sciences, shows that a computer game can be used to train its players to eat less sugar, as way of reducing their weight and improving their health.
* This article was originally published here
* This article was originally published here
Targets to reduce harmful alcohol use are likely to be missed as global alcohol intake increases
Increasing rates of alcohol use suggest that the world is not on track to achieve targets against harmful alcohol use, according to a study of 189 countries' alcohol intake between 1990-2017 and estimated intake up to 2030, published in The Lancet.
* This article was originally published here
* This article was originally published here
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