Pandemic pods offer social relief, but there are risks

Patti Ghezzi knows the risks posed by the pandemic. She also knows that her 14-year-old daughter thrives in the company of her friends. So Ghezzi and her family did something many other Americans have attempted: They became part of a ‘pod,’ or ‘social bubble,’ with two other Atlanta families. All agreed to limit their exposure to the outside world, and […]

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Lauren Burnham, Arie Luyendyk Jr.'s Doctors Think Twins Are 'Fraternal'

Babies No. 2 and 3! Pregnant Lauren Burnham opened up about her twin pregnancy in a Tuesday, December 22, Instagram Q&A. Double Trouble! Celebrity Parents Who Have Welcomed Twins “Our twins are di/di twins!” the Bachelor alum, 29, wrote alongside ultrasound photos. “Our doctors believe they are fraternal.” The Virginia native, who also shares daughter Alessi, 19 months, with Arie […]

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Three-dimensionally reconstituted organoids that are just like human organs

Organoids are organ-like tissues derived from stem cells that are grown in labs, often referred to as miniature organs. Because they can imitate the structure and function of human organs, they are considered a next-generation technology for creating artificial organs or developing new drugs. Recently, a research team in Korea introduced a new concept of mini-organs called assembloids that surpass […]

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Sweden and Japan are paying the price for COVID-19 exceptionalism

One of the most striking things about the COVID-19 pandemic is just how dramatically different the responses have been from country to country. In early 2020, when little was known about the virus, this difference was unsurprising. Today, with tens of thousands of research articles and cases of best practice to learn from, one would expect to see more convergence. […]

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In pandemic, people are turning to nature—especially women

Spotting horned owls in neighborhood trees? Raising a bumper crop of winter squash? You may have much in common with individuals in a new study. People in the study—who ranged from stuck at home to stressed in essential worker jobs—reported significant increases in outdoor activity during COVID-19, especially among women. Outdoor activities seeing the largest increases were: watching wildlife (up […]

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Human egg cells are imperfect surprisingly often

More than 7% of human oocytes contain at least one exchangeless chromosome pair, demonstrating a remarkably high level of meiotic recombination failure, finds a study appearing December 10 in the American Journal of Human Genetics. The findings suggest that right from the get-go of human egg cell development, a striking proportion of oocytes are predestined to be chromosomally abnormal. But […]

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