Tech

A massive release of passive-surveillance satellite data of nighttime lights could help researchers in fields ranging from agriculture to epidemiology. Researchers at Penn State and the University of Southampton in the UK have provided open access to detailed satellite data on brightness for five cities in Niger and Nigeria from 2000 to 2005, as well as detailed methods for analyzing the data to track seasonal population movements.

The harmful effects of exposure to tobacco smoke have been known for many years. Cigarette and cigar smokers are at significantly higher risk of contracting all sorts of respiratory maladies, and research linking secondhand smoke to cancer goes back nearly three decades.

But what about the chemicals that stain the walls, ceilings, carpet and upholstery in rooms in which tobacco has been smoked? What about the lingering nicotine on the fingers of smokers? Is there something dangerous in the residue that lingers long after the smoke clears?

BINGHAMTON, NY -- While most hearing experts would say an eardrum is required for long distance hearing, a new study from Binghamton University and Cornell University has found that Aedes aegypti mosquitos can use their antennae to detect sounds that are at least 10 meters away.

Mosquitoes have been known to use a variety of senses to detect the presence of potential mates and food sources. They can see, smell and most importantly hear what is around them.

ANN ARBOR--It's long been known that couples HIV testing and counseling is an effective way to mutually disclose HIV status and link to health care--unfortunately, couples don't use it even though it's widely available.

Lynae Darbes, associate professor in the School of Nursing at the University of Michigan, wanted to change that, so she and her team developed an intervention designed to improve the likelihood that couples will decide to engage in HIV testing together.

Perovskites -- a broad category of compounds that share a certain crystal structure -- have attracted a great deal of attention as potential new solar-cell materials because of their low cost, flexibility, and relatively easy manufacturing process. But much remains unknown about the details of their structure and the effects of substituting different metals or other elements within the material.

Las Vegas, NV (Feb. 7, 2019) -- It is estimated that 3 million Americans live with inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC). Currently, there are no cures for these diseases. For many patients, their disease impacts other areas of their health and well-being, including aspects of their reproductive and mental health.

She weighs less than one ten-thousandth of an ounce and her top speed is less than two miles per hour. Nonetheless, the female mosquito is one of the most dangerous animals on the planet. For as she flies from person to person, biting us to draw the blood she needs to lay her eggs, this tiny creature transmits microbes that sicken and kill millions of people every year.

WASHINGTON -- The immunotherapy that has revolutionized treatment of many cancers appears to offer similar benefit to cancer patients living with HIV, say researchers at Georgetown Lombardi Comprehensive Cancer Center.

Scientists at the University of Liverpool have discovered a new process to make polymers out of sulfur which could provide a way of making plastic that is less harmful to the environment.

Sulfur is an abundant chemical element and can be found as a mineral deposit across the world. It is also a waste product from the refining of crude oil and gas in the petrochemicals industry, which generates huge stockpiles of sulfur outside refineries.

Vitamin D has been found to speed up the clearance of tuberculosis (TB) bacteria from the lungs of people with multi-drug resistant TB, according to a study of 1,850 patients receiving antibiotic treatment, led by Queen Mary University of London.

Lead researcher Professor Adrian Martineau from Queen Mary University of London said: "Multi-drug resistant TB is on the rise globally. It's notoriously difficult to treat, and it carries a much worse prognosis than standard TB.