Dr. Dwyer and his colleagues now drew the records for more than 90,000 of the men and women who had worn the trackers, skipping anyone with a known history of heart disease when they joined the study. They divided them into four groups, depending on how many minutes, in total, they moved every week, and…
When Natalia Pereira was a girl in Minas Gerais, Brazil, her mother, Francisca, gave her a few bricks and some empty, washed-out sardine cans to build herself a toy kitchen. Pereira loved it. She played by cooking rice and beans over hot coals, while her mother worked at the wood stove, simmering meat and bones…
Feb. 17, 2021 Delayed grief is sometimes triggered by an event later in life, experts say. By Nicole Johnson I’m in my basement looking for a file when I stumble upon the cards and pictures — a small manila envelope containing what is left of my mother. She died at 30 in an apartment in…
Nearly a year after scientists showed that the coronavirus can be inhaled in tiny droplets called aerosols that linger indoors in stagnant air, more than a dozen experts are calling on the Biden administration to take immediate action to limit airborne transmission of the virus in high-risk settings like meatpacking plants and prisons. The 13…
Messenger RNA (mRNA) vaccines to prevent COVID-19 have made headlines around the world recently, but scientists have also been working on mRNA vaccines to treat or prevent other diseases, including some forms of cancer. Now, researchers reporting in ACS’ Nano Letters have developed a hydrogel that, when injected into mice with melanoma, slowly released RNA…
Swimming in indoor or outdoor pools is a healthy form of exercise and recreation for many people. However, studies have linked compounds that arise from chlorine disinfection of the pools to respiratory problems, including asthma, in avid swimmers. Now, researchers reporting in ACS’ Environmental Science & Technology have found that using a complementary form of…
Some of the planet’s rarest metals – used in the manufacture of smartphones and other electrical equipment – are increasingly being found in everyday consumer plastics, according to new research. Scientists from the University of Plymouth and University of Illinois at Urbana-Champaign tested a range of new and used products including children’s toys, office equipment…
A technology executive in California has apologized for hosting a conference in Culver City after which two dozen attendees and staff members at the event tested positive for the coronavirus. The executive, Peter H. Diamandis, was among those who contracted the coronavirus. He hosted the conference — an annual summit for a paid-membership group called…
“And I also thought it is important to have people of different ages and races represented,” added Audrey, who, like her brother, is Asian. (Their mother, Rachel, a nurse researcher who volunteered for a vaccine trial, asked that their last names be withheld for privacy reasons.) Overall, the teen trials may be less diverse, because…
Lady M, the chain of sleek bakeries known for its multilayered cakes made of crepes, has added candies to its inventory. They’re tiny bites of gummies and chocolates nestled in oblong boxes. Among the 16 varieties created by Olivia Niddam, a French confectioner, and the company’s chief executive Ken Romaniszyn, are mixed wild berry, banana-marshmallow,…