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tag sleep wake cycle culture microbiology evolution

Opinion: The Biological Function of Dreams
Robert Stickgold and Antonio Zadra | Dec 1, 2020 | 3 min read
The scenarios that run through our sleeping brains may help us explore possible solutions to concerns from our waking lives.
Book Excerpt from When Brains Dream
Robert Stickgold and Antonio Zadra | Dec 1, 2020 | 8 min read
Ferreting out the biological function of dreaming is a frontier in neuroscience.
Who Sleeps?
The Scientist and Jerome Siegel | Mar 1, 2016 | 10+ min read
Once believed to be unique to birds and mammals, sleep is found across the metazoan kingdom. Some animals, it seems, can’t live without it, though no one knows exactly why.
Scientists Engineer Dreams to Understand the Sleeping Brain
Catherine Offord | Dec 1, 2020 | 10+ min read
Technologies such as noninvasive brain stimulation and virtual reality gaming offer insights into how dreams arise and what functions they might serve.
Monitoring Mutations with Microfluidics
Ruth Williams | Mar 15, 2018 | 3 min read
A device dubbed the “mother machine” enables real-time observation of mutagenesis in single bacterial cells.  
Evolving Antibiotic Tolerance
Jef Akst | Jun 25, 2014 | 3 min read
E. coli repeatedly exposed to ampicillin adapt to stay dormant for longer periods of time—just long enough to outlast the antibiotic treatment.
Keeping Time with Drosophila
Laura Bonetta | Feb 3, 2002 | 10 min read
Circadian clocks—the biological timekeepers that operate on a daily cycle—keep virtually every living creature in tune with its environment. These internal clocks regulate a wide range of fundamental biological processes, including movement, smell, sleep, mating, and feeding. A true circadian clock is endogenous; that is, it keeps time even in the absence of external cues. The clock can, however, be reset, or entrained, by daylight, allowing the synchronization of circadian rhythms t
Behavior Brief
Jef Akst | Oct 17, 2011 | 5 min read
A round-up of recent discoveries in behavior research
Frontlines
Harvey Black | Sep 1, 2002 | 6 min read
Frontlines Photo: University of Texas Health Science Center at Houston Opportunities in Allison's wake Since Hurricane Allison struck last June, researchers at the University of Texas Health Science Center, Houston, have been rebuilding and improving their facilities. "We said, 'Let's not just build back what we had, let's aim to do it better,'" says George Stencel, interim vice president for research. He estimates the project's cost in the "several hundred million dollar" range (H. Black,
Automated Colony Pickers Evolve
Helen Dell(hdell@the-scientist.com) | Jul 3, 2005 | 6 min read
Everyone knows that the first genome sequencing projects took years of work and represent the combined product of tens of thousands of individual fragments.

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