Reopen and regenerate: Exosome-coated stent heals vascular injury, repairs damaged tissue

Researchers from North Carolina State University have developed an exosome-coated stent with a “smart-release” trigger that could both prevent reopened blood vessels from narrowing and deliver regenerative stem cell-derived therapy to blood-starved, or ischemic, tissue. Angioplasty – a procedure that opens blocked arteries – often involves placing a metal stent to reinforce arterial walls and…

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Salmonella Outbreak Is Linked to Wild Birds and Feeders, C.D.C. Says

A salmonella outbreak linked to contact with wild songbirds and bird feeders has sickened 19 people across eight states, eight of whom have been hospitalized, federal health authorities said. The Centers for Disease Control and Prevention said it was investigating salmonella infections in California, Kentucky, Mississippi, New Hampshire, Oklahoma, Oregon, Tennessee and Washington State in…

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Use Your Newspaper to Make Flowers

“There are always flowers for those who want to see them,” Henri Matisse said. Even in this newspaper — just glue a skewer between two pieces of colored or painted newspaper and snip it into simple flower shapes. Group the flowers together for an everlasting and inexpensive centerpiece for your spring table, or place one…

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Car Maintenance During the Pandemic

On an older car, following the owner’s manual mileage recommendation for severe conditions will help to keep the lubricant and its blend of protective additives fresh (if you no longer have the manual, they are often available online and from the automaker). The systems built into many new cars that remind you of required service,…

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Would You Jump In to Stop an Assault?

Fear is not the only factor that determines whether bystanders act in such moments. Bibb Latané, a social psychologist who helped pioneer the field of bystander intervention in the years following the Kitty Genovese murder, described another dynamic at play: the diffusion of responsibility that can lead to inaction among strangers who witness a crime.…

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