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Spherical sundial. The Rishpon globe with the posts along the equator, as photographed in Dr. Moshe Rishpon’s yard on September 19, 2023

The globe as a model: Revisiting the equinox

The autumnal equinox is a good time to revisit ancient astronomical ideas and explore new concepts for experiential teaching

Jonathan Berkheim / Davidson Institute of Science | 10.04.24

What are the components of the atmosphere?

The atmosphere’s five layers and especially their gasses are essential to our existence on Earth, but how do they all work exactly?

Itamar Karbi/Davidson Institute of Science | 10.03.24

How do bunker-buster bombs work?

Complex munition used against Hezbollah involves a combination of advanced physics, some chemistry, and quite a bit of technology

Ettay Nevo/Davidson Institute of Science | 10.02.24

Stone-eating organism threatens ancient Iranian historic site

Conservationists at Persepolis warn efforts to combat spread of lichen in area where many statues and stone reliefs found progressing poorly, risking thousands of years of historical conservation

AFP, Yogev Israeli | 09.24.24

Head surgeries of ancient Egyptians

Cut marks on ancient skulls may indicate that even in the days of the pharaohs, doctors attempted to treat head tumors through invasive procedures

Segev Naveh Tassa/Davidson Institute of Science | 09.21.24

The main mission will be to search for evidence of past life on Mars. China’s first Mars rover, Zhurong, next to its lander

Israeli intelligence and Chinese samples: This week in space

A major deal for ISI, China's plans to bring samples from Mars, the Polaris Dawn mission underway, NASA's space sail project, and a farewell to an old rocket

Ettay Nevo / Davidson Institute of Science | 09.14.24

Ambitious project seeks to revive Dead Sea while generating green energy

Groundbreaking Israeli research aims to build a canal connecting Dead Sea to Mediterranean and balance water level while generating electricity

Yogev Israeli | 09.10.24

נקבת הכריש ההרה ממין למנה חוטמנית, זמן קצר לאחר שהוצמד לגובה תג מעקב

Shark devours smaller pregnant shark, shocks scientists

Experts concerned incident off Bermuda spells danger for population growth of already endangered species

Yogev Israeli | 09.09.24

3-Body And Other Scientific Problems

Netflix series dealing with how the Sun, Earth, and Moon influence each other in space explores various scientific and technological concepts, ranging from communication through quantum entanglement to nuclear-powered spaceships

Davidson Institute of Science, Jonathan Berkheim | 08.31.24

The first spacewalk by private astronauts, breaking historical boundaries. Illustration of an astronaut floating outside the Dragon spacecraft

Historic private space mission set to launch

Private astronauts set to embark on a groundbreaking mission, a Chinese spacecraft orbits the Moon, and a complex maneuver unfolds on the way to Jupiter; This week in space

Ettay Nevo, The Davidson Institute of Science | 08.30.24

Jellyfish swim, rather than passively drift, study finds

Researchers hope to be able to determine when swarms of jellyfish will arrive and when they will leave so that critical infrastructure can be protected

Ynet | 08.28.24

גולגולת של אחד מבין שני האנשים ששרידיהם נותחו והצביעו על שימוש בקוקאין

Cocaine use already big in 17th-century Europe, study finds

Researchers studying skulls from Milan’s Ospedale Maggiore found evidence of cocaine use 200 years earlier than previously recorded; absence of cocaine in local hospital’s pharmacopeia suggests it was likely used for non-medical purposes

Yogev Israeli | 08.28.24

A private mission set to blur the boundaries between private and professional space missions. The spacewalk exit from the Dragon spacecraft

China's Starlink: This Week in Space

Chinese company builds its own satellite communication network, Boeing's spacecraft is still delayed, a private mission is approaching, and the Artemis lunar station is too small

Ettay Nevo / Davidson Institute of Science | 08.16.24

Ancient Mesoamerican culture saw consanguinity, child sacrifice, study shows

Experts say DNA analysis taken from site near Mexico reveals a child sacrificed in the area had parents that were closely related, suggesting cultural and religious importance

Yogev Israeli | 08.15.24

Tackling global warming one meal at a time

Research indicates that a vegetarian and vegan diets are less harmful to the environment than animal-based diets including meat and dairy products

Sahar Zadka/Davidson Institute of Science | 08.09.24

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Today

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Judicial reform Ahmad al-Sharaa Airstrike Amsterdam Antisemitism Ariel Bibas Benjamin Netanyahu Bitcoin Climate crisis Columbia University