Category: Life
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Secret brain waves… Memory…
Making a specific type of brain pattern last longer improves short-term memory in rats, a new study finds. Published online by the journal Science on June 14, the study addressed "working memory," the temporary activation of brain cells that happens as we tour a new neighborhood, for instance, and remember our way around later that…
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Worms… Deep below…
The sea bed in the deep ocean during the Cambrian period was thought to have been inhospitable to animal life because it lacked enough oxygen to sustain it. But research published in the scientific journal Geology reveals the existence of fossilized worm tunnels dating back to the Cambrian period - 270 million years before the…
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Re-writing biology history…
The DNA translational system receives messages from DNA delivered to it by RNA and translates the messages into proteins. The system centers on a cellular machine called the ribosome, which is made of multiple large molecules of RNA and protein and is ubiquitous in life as we know it. In today's ribosome, and in the…
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Help not. Bird dying…
When a coworker or employee is struggling, is it better to offer help on the job or just a shoulder to cry on? A study led by San Francisco State University researchers showed that the two forms of support do roughly the same thing - but that sometimes, it's best not to address the situation…
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Patterns. Scarily visible…
How do the large-scale patterns we observe in evolution arise? A paper in the journal Evolution argues that many of them are a type of statistical bias caused by our unavoidably recent viewpoint looking back into the past. For example, the animals appear in the fossil record about 550 million years ago, in an enormous…
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