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The surgical mask performed second-best, behind the fitted N95 mask. The selection of homemade cotton masks all performed within a similar range. There was a big difference in material, with knitted fabric allowing more particles to pass through.Meanwhile, bandanas and neck fleeces, or neck gaiters, were not as effective.“We noticed that speaking through some masks (particularly the neck fleece) seemed to disperse the largest droplets into a multitude of smaller droplets, which explains the apparent increase in droplet count relative to no mask in that case. Considering that smaller particles are airborne longer than large droplets (larger droplets sink faster), the use of such a mask might be counterproductive,” the researchers note. 744

The White House did not immediately provide an official explanation of what happened and the pool has been told that the trip is being re-evaluated.Stephanie Grisham, Trump's communications director, told CNN the incident was a "minor mechanical issue. Everything is fine and everyone is safe."Trump was headed to Thomas Jefferson University Hospital in Philadelphia, where she was scheduled to make remarks about neonatal abstinence syndrome. She was originally scheduled to return to Washington Wednesday afternoon.The trip remains on for later Wednesday and the first lady will take a different plane, Grisham said. 618

The Rancho Santa Fe resident, who has never been to the town of Paradise, was keeping tabs on the Camp Fire developments through media reports and was compelled to help after thinking back to his own high school experiences. 224

The six new cases were confirmed Tuesday night with positive lab results and were linked to an "assumed known exposure," according to Dr. Barbara Ferrer, head of the county health department. 191

The Sarasota chapter of the NAACP tells us they will recommend to the district that the student involved should not be allowed to return to any school within Sarasota, President Trevor Harvey said in a statement: 217