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Tiny microbes and molecular machines have an outsized impact on human health, and they play key roles in the vast global cycles that shape climate and make carbon and nitrogen available to all living things. 

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Science of life

This illustration shows arrestin, an important type of signaling protein

Press Release

Scientists for the first time tracked ultrafast structural changes, captured in quadrillionths-of-a-second steps, as ring-shaped gas molecules burst open and unraveled.

Image - This illustration shows shape changes that occur in quadrillionths-of-a-second intervals in a ring-shaped molecule that was broken open by light. (SLAC)
News Feature

An experiment at SLAC’s X-ray laser provides new insight into the ultrafast motions of a muscle protein in a basic biochemical reaction.

Computerized rendering of 3-D structure of myoglobin. The jagged green line represents a pulse of la
News Feature

A team led by Stanford University scientists is using software to breathe new life into results from past biological experiments at SLAC’s X-ray laser.

This illustration shows Tiny crystallized biomolecules in a liquid solution (right) are streamed into X-ray laser pulses (shown as a white beam) in this illustration of crystallography at SLAC's Linac Coherent Light Source X-ray laser.
Press Release

An experiment at SLAC's X-ray laser has revealed in atomic detail how a hypertension drug binds to a cellular receptor that plays a key...

Image - This photo shows a medical device used to monitor blood pressure. In a study at SLAC's Linac Coherent Light Source X-ray laser, researchers studied how a hypertension drug binds to a cellular receptor known as an angiotensin II type 1 receptor.
News Feature

Developed at SLAC’s LCLS, it could also yield new information from hard-to-study samples in materials science, chemistry and other fields.

Image - These charts show (a) the energy profile of two electron bunches that are separated by about 6 picoseconds, which are later stimulated to emit (b) two X-ray pulses separated by femtoseconds.
News Feature

For the first time, researchers have produced a 3-D image revealing some of the inner structure of an intact, infectious virus.

Image - This rendering shows a 3-D reconstruction of a Mimivirus, based on an analysis of a collection of X-ray diffraction patterns obtained in an experiment at SLAC's Linac Coherent Light Source X-ray laser. (Uppsala University)
News Feature

An X-ray laser experiment could lead to new drugs that lessen the side effects caused by powerful painkillers like morphine.

Image - This rendering shows a type of cellular membrane protein known as a delta opioid receptor (purple) with a compound derived from a naturally occurring peptide (orange, blue and red) bound inside its “pocket.” The peptide compound shows promise as a
Press Release

Technique Could Allow Study of Viral Infections, Cell Division and Photosynthesis in New Detail

A pond containing a visible bloom of cyanobacteria, with an artistic rendering of an individual cell
News Feature

Research reveals that the bacterial immune system can better destroy viral attackers by saving genetic records of previously encountered viruses.

News Feature

Scientists have assembled an exotic toolbox for experiments that tap into the brightest X-rays on the planet.

Image - This illustration shows a cutaway view of a type of sample system used at the Linac Coherent Light Source X-ray laser that jets samples in a superthin liquid or gel stream into its X-ray pulses. This system is known as a gas dynamic virtual nozzle
News Feature

Research performed in part at SLAC has provided new insights into how "TH proteins" couple two important processes needed to maintain healthy cells.

News Feature

A scientist at Germany’s DESY lab who participated in pioneering studies at SLAC's LCLS has been awarded a scientific prize by a research foundation.

Image - Henry Chapman (DESY)