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Science News Archive July 2020 - Page 6


Page 6 of 47

Estimating bisphenol exposures in the Australian population

Researchers in Australia analyzed urine and wastewater samples to estimate changes in bisphenol exposure over six years. They found that urinary levels of BPA decreased, while BPS increased, with higher levels detected in younger age groups. In wastewater, BPA and BPS were consistently detected, with BPF also present in 29% of samples.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateJul 29, 2020

Astronomers pinpoint the best place on Earth for a telescope: High on a frigid Antarctic plateau

Researchers found that Dome A's unique combination of high altitude, low temperature, and stable atmosphere makes it an attractive location for optical and infrared astronomy. This location could lead to sharper images and the detection of fainter objects, overcoming a major challenge in Earth-based astronomy: atmospheric turbulence.

Solving a DNA mystery

A team of researchers from UC Santa Barbara and LMU found that enzymes can cause liquid droplets formed from DNA to bubble unexpectedly. The bubbles occur when the enzyme penetrates inside the droplet, leading to an osmotic effect that causes water to be drawn in, resulting in a swelling phenomenon.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateJul 28, 2020

Alzheimer's protein in blood indicates early brain changes

Researchers have identified a blood test target, phosphorylated tau 217, that correlates with the presence of amyloid plaques in the brain. This protein can be detected in the blood of people who have yet to show signs of forgetfulness or confusion, making it a promising tool for early Alzheimer's diagnosis.

SourceWashU Medicine·JournalJournal of Experimental Medicine·DateJul 28, 2020

What's the best way to estimate and track COVID-19 mortality?

A new study published in PLOS Medicine suggests that the symptomatic case fatality ratio (sCFR) and infection fatality ratio (IFR) are better measures for monitoring COVID-19 epidemics than the commonly used case fatality ratio (CFR). The researchers applied a computational model to Hubei province, China, and six European regions, find...

SourcePLOS·JournalPLOS Medicine·DateJul 28, 2020

Owe the IRS? No problem, some Americans say

A recent study from Ohio State University found that households immediately increase their spending after receiving tax refunds. In contrast, when households owe taxes, they do not reduce their spending, instead using other sources of funds to pay the bill. This challenges traditional economic theories about how people spend their money.

SourceOhio State University·JournalAmerican Economic Review·DateJul 28, 2020

The mystery of the less deadly mosquito nets

Research reveals insecticide-treated mosquito nets, crucial in global malaria fight, have lost significant protection effectiveness. Long-lasting insecticidal nets (LLINs), credited with saving millions lives since 2000, are now only killing 40% of mosquitoes they come into contact with.

SourceJames Cook University·JournalNature Communications·DateJul 28, 2020

Injury patterns may help differentiate between accidents and physical abuse in elderly patients, new study finds

A new study published in Annals of Emergency Medicine explores injury patterns to identify key differences between elder abuse and unintentional injuries. The study reveals distinct injury patterns, such as head or neck injuries without visible harm, facial injuries on the left cheek, and neck injuries, which can help healthcare profes...

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateJul 28, 2020