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An ion-conducting nanochannel viewed under a scanning electron microscope

The Future with Nanoionics

27.07.2015
Nanoscience, Materials Science
A new method for “writing” tiny channels in solid surfaces may lead to more natural information storage systems
Ubiquitin, labeled with a fluorescent marker (yellow), has been successfully delivered into cells.

The Real Thing

27.07.2015
Molecular and Cell Biology, Structural Biology
What do proteins look like in their natural environment?
The nucleus (red) in the cell center is surrounded by the disorganized actin network in the cytoplasm, on which the myosin-v motors move the vesicles around in the "active random motion"

Getting to the Center

14.06.2015
Systems Biology, Evolution and Development, Chemistry, Bioinformatics and Computational Biology
How does random motion create directed movement in the cell?  
Several molecules must work together for proper joint lubrication. In this illustration, the lubricin molecules anchor the long hyaluronan chains to the cartilage collagen network; these hyaluronan chains in turn attach the phospholipid molecules in either single layers (green) or double layers (blue)

Working under Pressure

11.03.2015
Materials Science
Lab experiments reveal that lubricating our knees and hips is a “joint” effort
Manot skull

When Age Matters

26.02.2015
Scientific Archaeology
The precise dating of ancient charcoal found near a skull is helping reveal a unique period in prehistory
A chicken heart muscle cell under a fluorescent microscope; the filaments consist of repeated subunits (bright dotted lines). The schematic representation shows three neighboring filaments; the black lines are the boundaries of their subunits, such that the lower filament is aligned with the middle one, while the upper one is not

In a Heartbeat

26.02.2015
Materials Science
A new model shows that the filaments in heart muscle cells don't automatically keep the beat  
(l-r) Prof. Gershon Kurizki and Ephraim Shahmoon

Quantum Attraction

17.02.2015
Quantum Physics, Chemistry
An idea for trapping virtual photons is anything but empty
Tobacco mosaic virus

This Day in Science History: The discovery of viruses – “the filterable agents”(12/2/1892)

12.02.2015
Viruses & Microorganisms, Immunology, Disease, Drugs & Diagnostics, Plants and Agriculture, Organic Chemistry, Structural Biology
On 12/2/1892, the first evidence for the existence of viruses was presented: Dimitri Ivanovsky, a young Russian scientist, suggested before the...
A satellite image of Olympus Mons, Mars, the largest volcano in the solar system at about three times the height of Mount Everest. Around 3.5 to 4.0 billion years ago, the release of volcanic gases, especially the greenhouse gas sulfur-dioxide, may have warmed the surface of Mars episodically, thereby explaining the presence of geomorphological features indicative of the flow of water on the planet's ancient surface

How Water Could Have Flowed on Mars

18.11.2014
Planetary Science, Earth Sciences, Environment, Chemistry
A new model suggests volcanic activity in Mars’ distant past spewed enough greenhouse gases to warm the atmosphere and melt the ice  
Microbes Take their Sulfur Light

Microbes Take their Sulfur Light

18.11.2014
Earth Sciences, Environment, Chemistry
A model explaining the preferences of deep-sea microbes can help reveal the ancient past – as well as predict the future

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