29 Current news of Stanford University

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Tiny light detectors work like gecko ears

02-Nov-2018

Geckos and many other animals have heads that are too small to triangulate the location of noises the way we do, with widely spaced ears. Instead, they have a tiny tunnel through their heads that measures the way incoming sound waves bounce around to figure out which direction they came ...

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Wearable device measures cortisol in sweat

24-Jul-2018

The hormone cortisol rises and falls naturally throughout the day and can spike in response to stress, but current methods for measuring cortisol levels require waiting several days for results from a lab. By the time a person learns the results of a cortisol test - which may inform treatment for ...

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Making intricate images with bacterial communities

21-Mar-2018

Working with light and genetically engineered bacteria, researchers from Stanford University are able to shape the growth of bacterial communities. From polka dots to stripes to circuits, they can render intricate designs overnight. The technique can achieve biofilms grown at a resolution of 25 ...

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A new way of generating ultra-short bursts of light

08-Feb-2018

Although critical for varied applications, such as cutting and welding, surgery and transmitting bits through optical fiber, lasers have some limitations - namely, they only produce light in limited wavelength ranges. Now, researchers from the Ginzton Lab at Stanford University have modified ...

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A cellular guillotine for studying single-cell wound repair

29-Jun-2017

While doing research at the Woods Hole Marine Biological Laboratory in Massachusetts, Sindy Tang learned of a remarkable organism: Stentor coeruleus. It's a single-celled, free-living freshwater organism, shaped like a trumpet and big enough to see with the naked eye. And, to Tang's amazement, if ...

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Nanostraws sample a cell's contents without damage

27-Feb-2017

Cells within our bodies divide and change over time, with thousands of chemical reactions occurring within each cell daily. This makes it difficult for scientists to understand what's happening inside. Now, tiny nanostraws developed by Stanford researchers offer a method of sampling cell contents ...

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Nanoscale view of energy storage

18-Jan-2017

In a lab 18 feet below the Engineering Quad of Stanford University, researchers in the Dionne lab camped out with one of the most advanced microscopes in the world to capture an unimaginably small reaction. The lab members conducted arduous experiments - sometimes requiring a continuous 30 hours ...

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New technique for imaging cells and tissues under the skin developed

22-Mar-2016

Scientists have many tools at their disposal for looking at preserved tissue under a microscope in incredible detail, or peering into the living body at lower resolution. What they haven't had is a way to do both: create a three-dimensional real-time image of individual cells or even molecules in ...

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Does living near an oil or natural gas well affect your drinking water?

17-Feb-2016

"The answer to that question is usually 'no,' but there are exceptions," said Stanford Professor Rob Jackson, a professor of Earth system science at Stanford University, and a senior fellow at the Stanford Woods Institute for the Environment and at the Precourt Institute for Energy. An expert on ...

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Sweating for science

Wearable device detects, analyzes real-time changes in chemical composition of sweat

29-Jan-2016

A team of researchers has combined two separate technologies to create a health-monitoring device that is noninvasive, doesn't interfere with strenuous outdoor activities and can continuously track a user's health at the molecular level. The two-part system of flexible sensors and a flexible ...

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