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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>
Many people, perhaps most, hate the idea that life might depend on chance processes. It is a human tendency to search for meaning, and what could be more meaningful than the belief that our lives have a greater purpose, that all life in fact is guided by a supreme intelligence which manifests itself even at the level>
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)>
Some indigenous peoples wear body paint, and most most of the indigenous communities who paint their bodies live in areas where there is an abundance of bloodsucking horseflies, mosquitoes or tsetse flies. Where insects bite people there is a risk of bacteria, parasites and other pathogens being transferred.>
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>