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Rejecting Arsenate

Rejecting Arsenate

22.10.2012
Biochemistry, Viruses & Microorganisms
Institute scientists reveal how bacteria living in toxic environments identify and expel the poison  
Prostaglandins guard stem cells by increasing the production of an inhibitory factor in the mesenchymal bone marrow cells. Mesenchymal cells are marked with a green protein (left); the inhibitory factor is red (center). Combined image (right): Treatment with prostaglandins (bottom) increases the secretion of the inhibitory factor

Stem Cell Bodyguards

22.10.2012
Immunology, Disease, Drugs & Diagnostics
Insights into rare immune cells that keep blood stem cells in a youthful state may lead to better treatments  
The experimental system: two supersonic valves followed by two skimmers. The blue beam passes through a curved magnetic quadrupole guide, and the merged beam (purple) enters a quadrupole mass spectrometer. B is a front view of the quadrupole guide

Weizmann Institute Scientists Observe Quantum Effects in Cold Chemistry

12.10.2012
Space & Physics, Quantum Physics, Chemistry
At close to absolute zero, chemical reactions take on new features  
cell and numbers. Image: Thinkstock

Weizmann Institute’s Mathematical Model May Lead to Safer Chemotherapy

12.09.2012
Cancer, Viruses & Microorganisms, Immunology, Disease, Drugs & Diagnostics, Bioinformatics and Computational Biology
The study explains why certain patients develop severe infections after chemotherapy and points to ways of averting this side-effect  
Regulatory factor hierarchy: The highest level (top) determines a cell’s basic identity; the second (middle) shapes its properties; the third (bottom) activates genes according to changing conditions

Uncovering the Genome’s Regulatory Code

09.09.2012
Personalized Medicine, Molecular and Cell Biology, Immunology, Genetics
A new, automated method for mapping protein-DNA interactions may lead to advances in personalized medicine  
Spencer Finch, Studio window (INFRARED, JANUARY, 25 2012, MORNING EFFECT) 2012 oil, pastel on paper, 4 drawings

Intersections: Science in Contemporary Art

09.09.2012
An exhibition of 34 international artists at the Weizmann Institute of Science
sleep learning (Image: Thinkstock)

A Lesson in Sleep Learning

26.08.2012
Brain & Behavior
Associations formed in the brains of sleeping volunteers remained intact when the subjects were awake
Locally Produced Proteins

Locally Produced Proteins

26.07.2012
Biochemistry, Brain & Behavior
How do long nerve extensions get a crucial molecule to an injury site in time?  
‘3i’ to Develop Microscopes of the Future Based on Weizmann Institute Inventions

‘3i’ to Develop Microscopes of the Future Based on Weizmann Institute Inventions

25.07.2012
Technology & Applications
Yeda, the technology transfer arm of the Weizmann Institute of Science, has signed a license agreement with ’3i.’ Other microscopy systems based on Weizmann research are being sold by ‘Idea Bio-Medical’
Judging DNA by Its Cover

Judging DNA by Its Cover

23.07.2012
Cancer, Stem Cells, Molecular and Cell Biology, Genetics
A newly-discovered molecular mechanism might explain the link between stem cells and cancer  

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