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Three-dimensional structure of the neurohypophysis in a zebrafish embryo (the nerve fibers and blood vessels are genetically tagged with fluorescent proteins). This brain area provides an interface between nerve cells (green), arteries (purple) and veins (red)

A Hormone Ensures its Future

02.11.2011
Brain & Behavior, Molecular and Cell Biology, Immunology
Scientists reveal the structure of a brain area where hormones that regulate vital body processes pass into the blood.   
Unraveling Batten Disease

Unraveling Batten Disease

02.11.2011
Brain & Behavior, Molecular and Cell Biology, Disease, Drugs & Diagnostics, Genetics
Experiments with a yeast gene reveal what goes wrong in a degenerative childhood disease. 
The patterns on these butterfly wings are perfectly scaled, even though they are different sizes

Built to Scale

04.10.2011
Molecular and Cell Biology, Evolution and Development, Genetics
How does a growing, developing organism keep everything in proportion?
Scale Models

Scale Models

22.08.2011
Molecular and Cell Biology, Evolution and Development, Genetics
How do organisms keep everything in proportion as they grow and develop?
(l-r) Standing: Einat Levy, Dr. Liat Rousso Noori and Eynat Finkelshtein. Sitting: Prof. Hilla Knobler, Dr. Alon Chen, Prof. Ari Elson and Dr. Yael Kuperman. Sensitivity

The Lab Mice that Didn’t Get Fat

05.07.2011
Brain & Behavior, Molecular and Cell Biology, Genetics
Scientists reveal how mice lacking the PTPe protein consume fat and stay slim.
(l-r) Prof. Varda Rotter, Dr. Eldad Tzahor, Dr. Ariel Rinon, Alina Molchadsky and Dr. Rachel Sarig. Migration regulation

New Job for a Busy Protein

22.06.2011
Cancer, Molecular and Cell Biology, Disease, Drugs & Diagnostics
A gene that protects us from cancer is also involved in the timing of a crucial stage of embryonic development.
Eight Hours of Resistance

Eight Hours of Resistance

25.05.2011
Space & Physics, Cancer, Molecular and Cell Biology
Why do cancer cells easily give in to the temptation to divide?  
Leptin receptor positive neuron in the mouse hypothalamus

Protein Contributes to Obesity

04.05.2011
Biochemistry, Brain & Behavior, Molecular and Cell Biology, Disease, Drugs & Diagnostics, Genetics
Mice lacking the protein stayed slim, even on a high-fat diet.
Biological Molecules Select Their Spin

Biological Molecules Select Their Spin

02.04.2011
Quantum Physics, Molecular and Cell Biology, Chemistry, Technology & Applications
The finding that a biological molecule – DNA – can discern between quantum states known as spin could have relevance for both biomedical research...
Drs. Rotem Sorek and Adi Stern. Bacteria's Achilles heel

The Price of a Sophisticated Immune System

28.03.2011
Viruses & Microorganisms, Molecular and Cell Biology, Immunology, Genetics
Autoimmune disease in bacteria: The finding could lead to new kinds of antibiotics.

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Staphylococcus bacteria

New Immune Mechanism Revealed in the Cellular Trash

Shutterstock

When Proteins Go on Strike

Mouse heart tissue viewed under a microscope

A Broken Heart: Two Types of Scars, Two Paths to Healing

Gal Raviv

Seeding the Passion

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New Immune Mechanism Revealed in the Cellular Trash
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Training Future Physician-Scientists: The Weizmann Institute Receives Approval for a New Medical School