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News at a glance: New gene therapy, Europe ’s drought, and a black hole’s photon ring
ARCHAEOLOGY Drought exposes ‘Spanish Stonehenge’ for study Scientists are rushing to examine a 7000-year-old stone circle in central Spain that had been drowned by a reservoir for decades and was uncovered after the drought plaguing Europe lowered water levels. Nicknamed the “Spanish Stonehenge”—although 2000 years older than the U.K. stone circle—the Dolmen of Guadalperal (above) was described by archaeologists in the 1920s. The approximately 100 standing stones, up to 1.8 meters tall and arranged around an oval open space, were submerged in the Valdecañas reservoir after the construction of a ...
Source: Science of Aging Knowledge Environment - August 25, 2022 Category: Geriatrics Source Type: research

On World AIDS Day, Those Who Fought the 1980s Epidemic Find Striking Differences and Tragic Parallels in COVID-19
More than three decades after the World Health Organization (WHO) launched the first World AIDS Day on Dec. 1, 1988, the world’s leading global health organization faces another public health crisis in COVID-19. On this World AIDS Day, those who raised awareness of HIV, the virus that causes AIDS, find devastating similarities and haunting differences in America’s response to both crises. In 1981, scientists recorded the first cases of a rare pneumonia, usually found among immunosuppressed patients, among a group of gay men in Los Angeles, and noticed more cases appearing among gay men in San Francisco and New ...
Source: TIME: Health - December 1, 2020 Category: Consumer Health News Authors: Olivia B. Waxman Tags: Uncategorized COVID-19 feature HIV/AIDS Source Type: news

Coronavirus Fears Are Leading to Blood Drive Cancellations at ‘Unprecedented’ Rates in the U.S.
Winter is not a boom time for blood donation centers in the U.S. Bad weather, plus circulating flu strains, tend to deter people from giving blood. And the ongoing outbreak of the new coronavirus in the U.S. has worsened an already lean time. According to the American Red Cross, about 1,500 of their blood drives across the country have been canceled because of concerns about the coronavirus. The organization estimates that they’ve lost out on roughly 46,000 donations as a result. Meanwhile, the demand for blood is still strong. “We’ve not seen anything like this at the Red Cross,” says Chris Hrouda,...
Source: TIME: Health - March 16, 2020 Category: Consumer Health News Authors: Mandy Oaklander Tags: Uncategorized COVID-19 Source Type: news

Potent Inhibition of Zika Virus Replication by Aurintricarboxylic Acid
In this study, we evaluated ATA as a potential antiviral drug against ZIKV replication. The antiviral activity of ATA against ZIKV replication in vitro showed median inhibitory concentrations (IC50) of 13.87 ± 1.09 μM and 33.33 ± 1.13 μM in Vero and A549 cells, respectively; without showing any cytotoxic effect in both cell lines (median cytotoxic concentration (CC50)> 1,000 μM). Moreover, ATA protected both cell types from ZIKV-induced cytopathic effect (CPE) and apoptosis in a time- and concentration-dependent manner. In addition, pre-treatment of Vero cells with ATA for up to 72 h also...
Source: Frontiers in Microbiology - April 11, 2019 Category: Microbiology Source Type: research