California Institute of Technology

Better memory with faster lasers

DVDs and Blu-ray disks contain so-called phase-change materials that morph from one atomic state to another after being struck with pulses of laser light, with data "recorded" in those two atomic states. Using ultrafast laser ...

dateJul 02, 2015 in Nanophysics
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Tracking photosynthesis from space

Watching plants perform photosynthesis from space sounds like a futuristic proposal, but a new application of data from NASA's Orbiting Carbon Observatory-2 (OCO-2) satellite may enable scientists to do just that. The new ...

dateMay 05, 2015 in Earth Sciences
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How an RNA gene silences a whole chromosome

Researchers at Caltech have discovered how an abundant class of RNA genes, called long non-coding RNAs (lncRNAs, pronounced link RNAs) can regulate key genes. By studying an important lncRNA, called Xist, the scientists identified ...

dateApr 27, 2015 in Biotechnology
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Microbes help produce serotonin in gut

Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. In fact, altered levels of this peripheral serotonin have been linked to ...

dateApr 09, 2015 in Cell & Microbiology
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