This article is republished from The Conversation under a Creative Commons license. Recent outbreaks of bird flu—in US dairy herds, poultry farms in Australia, and elsewhere, and isolated cases in humans—have raised the issue of food safety. So can the virus transfer from infected farm animals to contaminate milk, meat, or eggs? How likely is…
In early experiments, Lagasse found that if he injected healthy liver cells into the lymph nodes of mice, the cells would flourish and form a second, smaller liver to take over the functions of the animal’s failing one. The new livers grew up to 70 percent of the size of a native liver. “What happened…
A lifetime of snacking and frozen food dinners may affect your body in lots of surprising ways, new research suggests. The study, a large-scale review of the existing evidence, found an association between regularly eating ultra-processed foods and a higher risk of many health problems. It also found that these foods were associated with an…
In recent months, Naveed Ijaz, a general practitioner specializing in dermatology, has seen a growing number of patients presenting at his clinic in Manchester, UK, with intensely itchy rashes. Their cause is scabies, a highly contagious skin condition caused by the Sarcoptes scabiei mite, which can result in these itchy rashes spreading all across the…
Image: Edgar Martirosyan (Shutterstock) Doctors made medical history by successfully transplanting a whole eye. The donated eye has reportedly survived inside the patient for six months with no major issues so far and shows signs of good health. At this point, however, the patient has not regained any functional sight as a result. What Inspired Dominic…
Many people are carrying potentially harmful genes, research out this week has found. Scientists analyzed the genes of people living in Iceland and found that one in 25 people appear to have genetic variations linked to a shorter lifespan. The most dangerous variants were those tied to cancer. The M3 Max MacBook Pro is the…
The United Nations has published a major new tally of the impact the world’s food system has on our health and the planet. According to a report from the Food and Agriculture Organization of the United Nations (FAO), the total hidden costs of the world’s food system add up to $12.7 trillion dollars—roughly 10 percent…
Northwestern University scientists may have figured out why pulling an all-nighter can leave us feeling loopy and downright giddy for days after. In a new study out this week, the researchers found that acute sleep deprivation in mice can trigger a rapid release of dopamine within the brain and boost its plasticity, temporarily creating hyperactive…
A team of scientists at Northwestern University has developed a synthetic version of melanin that could have a million and one uses. In new research, they showed that their melanin can prevent blistering and accelerate the healing process in tissue samples of freshly injured human skin. The team now plans to further develop their “super…
You can choose for the lamp to follow the natural sunrise and sunset times based on your location, which in most of the world changes a little day by day. Or you can set custom times in the app. I didn’t want the lamp’s sunset to begin at 7:30 pm every day, so I set…
