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A stem cell–derived human embryo model at a developmental stage equivalent to that of a human embryo at day 12 has all the compartments typical of this stage. The top sphere contains the part that will become the embryo itself, capped by the amnion; the bottom sphere is the yolk sac; the interface between them is a critical structural feature of human embryonic development. The two spheres are encapsulated by a cellular layer that will become the placenta

Human Embryo Models Grown from Stem Cells

06.09.2023
Stem Cells, Molecular and Cell Biology, Evolution and Development, Fertility, Genetics
The complete, day 14 synthetic models may open new avenues of research into infertility, drug testing and growth of tissues for transplant – as well as help scientists peer into the dramatic first weeks of embryonic development
Shutterstock

Surviving on an Empty Battery

17.08.2023
Viruses & Microorganisms, Molecular and Cell Biology, Immunology, Evolution and Development, Genetics
A newly discovered immune strategy protects bacteria and more advanced species, from corals to bees
A “Jupiter” Hotter than the Sun

A “Jupiter” Hotter than the Sun

14.08.2023
Space & Physics, Planetary Science
A newly discovered binary celestial system may advance our understanding of planet and star evolution under extreme conditions
Human lung cancer cells harboring the L858R mutation in the EGFR gene. Cell nuclei are in blue. The red color marks a protein that is present in the cell cytoplasm when the EGFR is active and driving the uncontrolled cell divisions

A Select Group: Study May Bring Improved Therapy to Preselected Lung Cancer Patients

08.08.2023
Cancer, Personalized Medicine, Molecular and Cell Biology, Immunology, Disease, Drugs & Diagnostics
Weizmann Institute researchers identify a biomarker that may one day enable a subgroup of lung cancer patients to benefit from relapse-free treatment
A section of a mouse brain under the microscope. The yellow color shows the complex structure of a mature oligodendrocyte, with numerous branches that reach out to the surrounding cells

Vive la Différence: Brain Cells of Males and Females Respond Differently to Chronic Stress

01.08.2023
Brain & Behavior, Personalized Medicine, Molecular and Cell Biology, Disease, Drugs & Diagnostics, Diagnostic Techniques and Drugs
A new study in mice could pave the way to personalized therapy for depression, anxiety and other stress-related disorders known to produce different effects on men and women
319 Ambassadors of Groundbreaking Science

319 Ambassadors of Groundbreaking Science

01.06.2023
Benefiting Humanity
Meet the class of 2023 – they join more than 7,500 alumni who earned their PhD and MSc degrees from the Feinberg Graduate School since it was established 65 years ago
Weizmann Institute of Science and Max Planck Society Create a Joint Postdoctoral Program

Weizmann Institute of Science and Max Planck Society Create a Joint Postdoctoral Program

23.05.2023
Benefiting Humanity
The goal: to nurture a new generation of scientists by enabling them to embark on a four-year scientific exploration at the two institutions
Shutterstock

Plant Research Reaches a New High

01.05.2023
Disease, Drugs & Diagnostics, Evolution and Development, Plants and Agriculture
Weizmann scientists revealed the step-by-step production of cannabinoids in a South African plant, pointing to new ways of manufacturing them for medical use
Decades-Old Mystery of Red Blood Cell Production Finally Solved

Decades-Old Mystery of Red Blood Cell Production Finally Solved

27.04.2023
Stem Cells, Molecular and Cell Biology, Disease, Drugs & Diagnostics
Identifying the cells producing the hormone EPO may lead to the development of new therapies for treating anemia resulting from kidney disease and other conditions
Illustration showing the unmanned spacecraft JUICE in the vicinity of Jupiter (center). On the right: the moons Callisto and Europa; on the left: Ganymede and Io (yellow), Jupiter’s volcanically active moon that is not included in the mission’s core program (Courtesy of the ESA)

Across the Universe: Israeli Tech to Reach Deep Space for the First Time

13.04.2023
Space & Physics, Astrophysics, Planetary Science
The Ultra Stable Oscillator, designed for an experiment led by Weizmann Institute scientists, is at the forefront of ESA’s JUICE mission to Jupiter

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