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The first tissue-engineered trachea (windpipe), utilizing the patient's own stem cells, has been successfully transplanted into a young woman with a failing airway. The bioengineered trachea immediately provided the patient with a normally functioning airway, thereby saving her life. These remarkable results provide>
Cartilaginous fishes (sharks, rays, skates, and chimaeras) are the phylogenetically oldest group of living jawed vertebrates. They are also an important outgroup for understanding the evolution of bony vertebrates such as human and teleost fishes. In a new study published online this week in the open access journal>
The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A new study from a Danish research team offers a possible clue. When they looked beyond the bacterium itself and into its genome>
My pal Julie Stewart tags Humboldt squid. She catches squid, attaches little recording devices to them, then drops them back in the ocean and waits for the tag to pop off a few days later. When it pops off, it's supposed to chirp out a satellite signal. That's Julie's cue to hop in a boat, pick up the tag and (hopefully)>
The bacteria living in your gut have more to do with your immune system than you might think. ShutterstockYour intestines are home to many different kinds of bacteria (and some non-bacterial organisms as well). Together they’re called the “gut microbiome.” They come from the food you eat – and whatever else>
A new paper says teens are not getting enough sleep and a lot of parents with teenage children may disagree. Others reflexively blame phones and tablets.It isn't a new concern, though. Nor is technology new in getting blame. In 1905, The Lancet published a study saying that kids in British boarding schools were getting>
