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Davidson Institute of Science

The hidden role of the silent X chromosome in brain health

A new study reveals that despite being silenced, the 'extra' X chromosome in females is actually partially active — and may play a role in protecting the brain from age-related changes

Tal Fisher/Davidson Institute of Science | 08.23.25

אלמוגים בשונית המחסום הגדולה, שלא נפגעו כתוצאה מאירוע ההלבנה ההרסני

Who moved my oxygen?

Oxygen depletion in Earth’s freshwater and marine ecosystems is approaching alarming levels, threatening global stability; scientists call for its recognition as a planetary boundary to spur urgent research and policy action

Shaked Engelberg/Davidson Institute of Science | 08.16.25

A child walks past a man sleeping on the sidewalk, Canada

Social loafing and the bystander effect: Why we act differently in groups

Recognizing how group size influences our sense of responsibility and effort not only deepens our understanding of human behavior but also enables us to act with greater thoughtfulness and intention

Gal Perlman, Davidson Institute of Science | 08.09.25

An illustration of neurons from an Alzheimer’s patient, showing amyloid beta protein deposits

Dormant virus and head trauma: New clue in Alzheimer’s research

Neurodegenerative brain diseases continue to pose a major medical challenge, with no known cure; research shows herpes simplex virus (HSV) infects brain cells and may trigger inflammation and neuronal degeneration

Tal Fisher/Davidson Institute of Science | 07.26.25

This is why your cat purrs: Researchers tie purring to DNA repetition in domestic cats

A new study from Kyoto University finds that a genetic variation in the androgen receptor gene may influence how often cats purr or vocalize—offering fresh insight into feline behavior and the long, quiet evolution of domesticated cats

Davidson Institute of Science | 07.13.25

Israeli scientists unveil leukemia breakthrough just before missile demolishes research building

After surviving a direct Iranian missile hit, Israeli researchers from the Weizmann Institute revealed a groundbreaking blood test that detects early signs of leukemia and tracks blood aging—offering a painless, data-driven alternative to bone marrow biopsies and advancing cancer diagnostics worldwide

Eitan Gefen | 06.28.25

Fading hopes for life on exoplanet K2-18b

Researchers recently reported the discovery of a biological molecule in the atmosphere of a distant exoplanet - raising excitement about the possibility of life beyond Earth; however, a series of new studies casts significant doubt on the likelihood of life there

Ettay Nevo/Davidson Institute of Science | 06.07.25

Microbes from space: New species discovered on Tiangong station

A new bacterial species discovered aboard China’s Tiangong station shows resilience to extreme conditions; Another study found extremophiles in a NASA spacecraft facility, raising questions about microbial survival and planetary contamination risks

Davidson Institute of Science | 06.01.25

a vast depression likely created by underground movement of molten rock

Israeli technology to power next generation of Internet satellites

Ramon.Space makes headlines with a multi-million-dollar satellite computer deal, another Starship test launch approaches, Venus shows signs of tectonic activity and new findings suggest the universe’s end may come sooner than expected

Ettay Nevo/Davidson Institute of Science | 05.23.25

How Sun's internal clock influences us and we it

Even if Sun always looks the same to us, sunspots—whose sizes vary—were already identified back in the 18th century; effort to understand what causes these led to a fascinating journey into star's activity cycles and influence of the planets on it

Itamar Karbi / The Davidson Institute of Science | 05.17.25

A group of young people enjoying a meal together

Social isolation is as bad for you as smoking, experts say

Physically, social ties can affect the cardiovascular, immune, and digestive systems. For instance, low levels of social support have been linked to elevated inflammation

Gal Perlman, Davidson Institute of Science | 05.16.25

The shifting rainfall patterns

Recent research indicates that the Eastern Mediterranean region is likely to face fewer rainy days in the future, but with each rainfall event becoming more intense; What basic scientific principles help explain these conclusions?

Itamar Karbi / Davidson Institute of Science | 05.09.25

Nature on the edge: What the Jerusalem fire tells us about a warming world

The devastating wildfires in the Jerusalem Hills rank among the most severe in Israel’s history; What do they reveal about our changing climate, and are they part of a growing trend

Davidson Institute of Science | 05.05.25

Mapping of dark matter (marked as a blue cloud) against the background of galaxies, showing a large concentration to the right of the Perseus Cluster (on the left side of the image) and a bridge of dark matter connecting them

Dark matter bridge: This week in space

The Perseus galaxy cluster is one of the most massive objects known to astronomers and it may be more active than previously thought

Ettay Nevo/Davidson Institute of Science | 05.01.25

Illustration shows PFAS chemicals, the products they’re found in, and their breakdown into carbon and fluorine

The end of forever chemicals?

Team of researchers in China develops method for breaking down PFAS using a combination of light and a catalyst, a substance that enables or accelerates chemical reactions without being consumed

Daniel Khayakelson/Davidson Institute of Science | 04.26.25

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