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Cell division is central to life and the last stage, when two daughter cells split from each other, has fascinated scientists since the dawn of cellular biology. The name given to this process by those early biologists, cytokinesis, translates as "cell movement" and captures the sense of a highly active and organized>
Since the discovery of how DNA encodes genetic information, evolutionary biology has focused on genes. One popular hypothesis - the "selfish gene" theory - states that cells and organisms exist simply as packages to protect and transmit genes. The selfish gene is by no means accepted and a new paper gives biological>
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)>
COVID-19 vaccines have shown to be effective at preventing vaccines but the big win for public health is reduced effects if you get it anyway. If you don't have co-morbidities your relative risk is very low but if you do have them, every precaution is worth taking.The vaccines come in many forms but two of note are>
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>
