Society and history

The preplanetary disk around the young star HL Tauri. Credit: ALMA (ESO/NAOJ/NRAO), NSF

Target board or donut? Iron meteorites reveal the early form of our solar system

The formation of our solar system involved the accretion of gas and dust into a preplanetary disk, with meteorites providing important insights into its early composition.
The picture of the mathematician Remanjuan next to a complicated formula he developed Photo credit: Technion spokesmen

Have breakthroughs in mathematics been discovered through artificial intelligence?

The researchers of the Faculty of Electrical and Computer Engineering at the Technion developed an algorithm for discovering new formulas and new relationships between mathematical constants
The High Priest, from the Second Temple period. Illustration: depositphotos.com

Ancient Jews Music 32: Above and beyond - the high priest was engaged in proofreading in the Temple

This chapter actually concludes most of the research, except for a chapter on dance that will follow. Several reasons combined to push this issue to the margins of the present study
Pushkar, India. The effect of colonization. Illustration: depositphotos.com

The birth of democracy in India, the way in which the Atlantic slave trade was expressed in visual culture, the secret archive of the Jews of the Warsaw Ghetto, among the winners of the Dan David Prize

The Dan David Prize, the largest history prize in the world, announced nine winners for 2024 * The winners - historians, archaeologists and outstanding researchers in the field of history
The remains of the "wall of skulls" in the Mayan temple at Chichen Itza in Mexico. Illustration: depositphotos.com

Genetic research reveals new details about the sacrifice of human sacrifices and in particular babies among the Maya

Ancient Mayan genomes reveal the practice of sacrificing male twins hundreds of years before Spanish settlement. In the genetic research, two pairs of male identical twins were found, which corresponds to the stories
This is how induction cookers work, including a cross-section showing their interior. The figure shows the following components: the ceramic glass surface, the induction coil below it, the power supply unit, a ferromagnetic pot on the stove. The arrows in the figure indicate the magnetic field created by the induction coil and heating the pot. The image was prepared using DALEE and is not used as a scientific image. The text that appears in it is also in the best DALEE tradition "about".

Induction cookers: the next generation in cooking?

Induction stoves do not heat up and yet heat the food. The secret lies in the magnetic field
A study of medieval warrior monks at the castle of Zorita de los Canes has revealed their lavish diet and violent death, including the unexpected discovery of a female warrior among them, expanding our understanding of gender roles in historical military orders. A skull found at the archaeological site of Zorita de los Canes. Credit: Crema Risk, URV

Were women also knights? Archaeologists have made an unexpected discovery in the burials of warrior monks from the Middle Ages

Of the 25 skeletons studied, 23 showed signs consistent with a violent death. By studying the proportions of the bones, she realized that among the warriors was a woman.
Archaeologist Shahar Crispin holds the hoard of coins after finding it. Photo by Yuli Schwartz

In Lod, evidence of the last revolt of the Jews of the Land of Israel under the Roman rule, about 1650 years ago, was uncovered

In the excavation of the site, conducted by the Antiquities Authority with funding from the municipality of Lod, the remains of an ancient Jewish public building that was destroyed were discovered. A cache of 94 coins was hidden on the floor of the building, but no one returned to its collection until it was discovered now
The Earth's core began to slow down around 2010, moving more slowly than the Earth's surface. Credit: USC

Is the Earth's core losing speed?

The researchers collected and analyzed seismic data recorded around the South Sandwich Islands from 121 repeated earthquakes that occurred between 1991 and 2023. They also used data from two Soviet nuclear tests between 1971 and 1974,
An astronaut exercises in space to keep fit and healthy. Illustration: depositphotos.com

Will astronauts' kidneys survive a round trip to Mars?

The results showed that both human and animal kidneys undergo "remodeling" by the conditions in space, with specific renal tubules responsible for calibrating calcium and salt balance showing signs of shrinkage after less than a month
2,000-year-old tefillin in the Antiquities Authority laboratories. Photo: Emil Eljam, Antiquities Authority

A new study states: 2,000 years ago, Tefillin were not dyed black

Researchers from Ariel University, the Antiquities Authority, the University of Exeter in England, and the Weizmann Institute conducted a series of scientific tests on ancient tefillin houses from the Judean Desert, and discovered that - contrary to the accepted law, according to which the houses must be painted
The Nile and the pyramids of Aswan in the background. Illustration: depositphotos.com

The increase in water flow and the flood area of ​​the Nile was the catalyst for the flourishing of ancient Egyptian culture

Recent research reveals that a significant change in the course of the Nile River about 4,000 years ago expanded the floodplain near Luxor, which could have caused the prosperity of agriculture in ancient Egypt and influenced the location of sites

Venus' evil twin or Earth's lost brother? The intriguing case of Gliese 12 b

The discovery of Gliese 12 b, a Venus-like planet just 40 light-years away, offers new opportunities to understand the conditions that support life in the universe. "Evil Twin" it gets a lot more
The skulls were examined using microscopic analysis and CT scanning. Credit: Tondini, Isidro, Camaros, 2024.

A 4,000-year-old Egyptian skull reveals surgical attempts to treat cancer

Scientists were amazed by the discovery of cut marks around cancerous tumors on an ancient Egyptian skull, which allowed them to better understand how the ancient Egyptians tried to treat the disease
A researcher examines a killifish fish. The image was prepared using DALEE and is not a scientific image

Cracking the code for longevity? A breakthrough in understanding the relationship between sex and life expectancy

A study by Hebrew University researchers opens innovative avenues in understanding the influence of sex cells on life expectancy and sheds light on the central role of sex cells and fertility on longevity
An example of a Kina type scrubber. Photo: Dr. Ran Barkai, Tel Aviv University

A stone tool for cutting and processing hides of camels from 400,000 years ago

A new study by Tel Aviv University reveals: in the areas of the Samaria Mountains, east of Jaljulia and Merat Kesem, special stone tools appeared for the first time in the world, which were used about 400 thousand years ago to hunt donkeys
Actress Yael Sharoni in the role of a mourner in the series "The Jews are Coming". Screenshot

Ancient Jews Music 31: Mourning customs

The Mishna ruled that among the husband's duties to his wife was the concern for her burial, and "even a poor man in Israel, no less than two flute players (we used to be flute players) and a mourner (at least one)" (Mishna Ketubut 4:XNUMX)
A ship model discovered in the excavation of Rahat. Photo: Yuli Schwartz, Antiquities Authority

Ships in the heart of the desert: the remains of an ancient church, on the walls of which ships were carved about 1500 years ago, were discovered in the excavations of the Antiquities Authority in the north of the Negev

The excavations were conducted as part of the expansion of a neighborhood in the city of Rahat, at the initiative of the Authority for the Development and Regulation of Bedouin Settlements in the Negev.
Nano gold sheets. Illustration: depositphotos.com

What are the heat dimensions of nanometric gold?

Innovative research on thin gold layers has revealed new photoluminescence behavior while advancing our understanding of measuring temperature as well as chemical reactions at the nanometer level
Doomsday asteroid. Illustration: depositphotos.com

Can we discover doomsday asteroids in time?

Today there is only one system in the world focused on this activity - NASA's Goldstone Solar System Radar, part of the Deep Space Network (DSN). But an idea of ​​a new instrument from the National Radio Astronomy Observatory
The water course of the ancient Akramat branch is bordered by a large number of pyramids from the Old Kingdom period to the Second Intermediate Period, which extends between the Third Dynasty and the Thirteenth Dynasty. Credit: Eman Ghoneim

Archaeology: The Egyptian pyramids were built along the forgotten branch of the Nile - Akramat

These findings can explain why the pyramids are concentrated in what is now a narrow and hostile strip of desert
Anti-Israel demonstration near the White House, November 4, 2023. Illustration: depositphotos.com

The report on the state of anti-Semitism in the world for 2023: "Fear for the future of Jewish life in the West"

The annual anti-Semitism report of Tel Aviv University was published in collaboration with the "Anti-Defamation League" ahead of Holocaust Day
Excavation site in the City of David showing signs of the earthquake that occurred in 750 BC (photo: Yohana Regev)

Carbon Jerusalem: extensive and accurate dating of the city during the Kingdom of Judah

Weizmann Institute of Science scientists overcame a cosmic phenomenon that makes it difficult for archaeologists around the world and presented for the first time an absolute dating of Jerusalem in the Iron Age
The painting by Rubens which was painted in 1625-1623 against the background of the 30 years war in Europe, and the image of the bee and the bat in it. Photo: Courtesy of the Alta Pincotec Museum, Munich.

The riddle of the bee and the bat

Deciphering paintings, among others by the painter Rubens, in which we were flooded with defiant messages for intellectuals who knew a secret
Ozenfik weight loss shot. Illustrating the knowledge site using DALEE. The image should not be seen as a scientific image

What do the celebs know about weight loss shots that we should also know?

A researcher at the Faculty of Medicine at Tel Aviv University investigates whether we will soon be able to eat what we want without guilt?
Pan flute player in the Hellenistic period. Credit: The Science website via DALEE. It should not be seen as a scientific picture

Ancient Jews Music 30: The wind instruments

Continuation of the review on the various musical instruments that were used in the temple at the end of the Second Temple, with Greek influence
Moses during the splitting of the Red Sea. Illustration: depositphotos.com

The tradition of the exodus from Egypt as the allochthonous (external) origin of the Israelites

Jewish and Israeli traditions and also among the priests and royal people in the Kingdom of Israel, there are differences between them as to the origin of the Israelites - Aram or maybe Egypt?
the Golden calf. Illustration: depositphotos.com

We did not leave Egypt

The story of the exodus from Egypt includes a collection of unrelated folk tales, various authors have added more legends to the core, the story itself, which is of priestly origin, contradicts large parts of the Bible that indicate an origin
Social hierarchy in mice. The image was produced using DALEE and should not be considered a scientific image

The race to the top of the wild mouse

Research in field mice under conditions simulating a natural environment reveals the different strategies used by females and males in creating social hierarchies
Egyptian scholars in the Ptolemaic period who wrote the story of the Exodus so that the Egyptians would come out good and the Jews bad. The image was produced using DALEE and should not be considered a scientific image

The place and time in which anti-Semitism was born and the connection to the Exodus * An interview with a researcher who published an article about it

Egyptian writers who lived in the third century BCE claimed that the Jews carried diseases and harmed Egypt and that in general they were the bad guys when they came to rewrite the story of the Exodus from Egypt, perhaps without meaning to, they created anti-Semitic arguments that would be based
Using artificial intelligence to decipher ancient texts. The image was prepared by DALEE and is for illustrative purposes only and should not be considered a scientific image

Artificial intelligence will restore ancient Jewish texts

Fourth-year students in the Department of Software and Information Systems Engineering at Ben-Gurion University of the Negev decided to produce an up-to-date answer to the ancient writings and under the guidance of Prof. Mark Lest, developed an artificial intelligence system that completes the missing sections in the texts
Prof. Yaron Tykochinsky releases sea turtles. Photo courtesy of him

How can you tell if a green sea turtle will grow up to be male or female?

Researchers analyze the DNA and hormonal profile of the green turtles to understand their physiology, development and reproduction and ensure their survival
Prof. Nathan Rosen. Courtesy of the historical archive of the Technion by Yehoshua Nasiyo

Research Prof. Natan Rosen, 1995-1909

Founder of the Faculty of Physics at the Technion, co-author of the historical article EPR with Albert Einstein and Boris Podolsky
The Large Hadron Collider LHC is down for an upgrade. Photo: CERN

Why is the mass of the Higgs particle lighter than expected?

Researchers have built a model according to which the mass of the Higgs boson, which helps produce the mass of elementary particles, changed in the early universe, and is therefore much smaller than the standard model of particle physics describes
Children's theater. Illustration: depositphotos.com

Research on the stage

Theater researchers examined the reception of the Haifa International Festival for Children's Plays
Throwing food in the trash. Illustration: depositphotos.com

thrown in the trash

On the religious and cultural factors that lead to food waste in households
March 3, 2024, a demonstration against anti-Semitism on the main street of San Francisco. Illustration: depositphotos.com

Innovation competition to fight anti-Semitism

Am; Lek: You should read this record. It may win you a lot of money (up to 30,000 dollars), and along the way also help humanity in general, and Israel and the Jews in particular.
Examples of historical visual sources from the end of the Ottoman period and the beginning of the British Mandate period that were used during the research.

The development of the inhabited cities in Israel at the end of the 19th century and the beginning of the 20th - the data phase

Researchers analyzed historical visual sources, such as maps, paintings and aerial photographs of Jerusalem and Haifa, to examine their urban development
The site of Ovadia near the Sea of ​​Galilee, a million and a half years ago. The image was prepared using DALEE and is not a scientific image

Once there was a paradise here with giraffes, tigers, hippos and elephants

The world-important prehistoric site, the Ovadia National Park in Emek Yardam, which is the oldest in Israel (about 1.6 million years ago) and one of the oldest in the world outside of Africa, was inaugurated. * There was a meeting between
This illustration shows charged particles from Jupiter hitting the face of Europa, separating icy water molecules into hydrogen and oxygen molecules. The scientists believe that some of these newly formed oxygen gases can move into the moon's subsurface ocean, as the circled figure shows. Credit: NASA/JPL-Caltech/SWRI/PU

Will the moon Europa return? The Juno spacecraft discovered oxygen on Jupiter's moon

NASA's Juno spacecraft directly measured charged molecules of oxygen and hydrogen from the atmosphere of Europa, one of Jupiter's largest moons. According to new research by scientists at SwRI and Princeton, these observations provided
A view of a planet in a multi-sun system. A dialogue between science fiction and science. Credit: The Science website via DALEE

Double suns and alien worlds: the science fiction journey from Tatooine to reality

Scientists used Bayesian network analysis to study how scientific discoveries influence science fiction literature
One of the rainwater collection systems built by the team in April 2022. Photo: Engineers Without Borders team - Israel Tel Aviv

The water news: Can Israel help solve the global water crisis?

The global water crisis is getting worse, and over 2 billion people are expected to suffer from a lack of water by 2050. Meanwhile, Israel is accumulating enormous knowledge and expertise on water management, alongside a thriving ecosystem of companies
A harp player from the time of the Bible. Credit: The Science website, via DALEE. The image is for illustration only and should not be considered a scientific image

Ancient Jews Music 29: harp and violin: the musical instruments and an examination of their development

In this chapter we will review the development of stringed instruments
dispute resolution. Credit: The Science website via DALEE

Intractable conflict - is there such a thing?

Disputes and conflicts that seem insoluble are not strangers to us, certainly in a challenging time like the one we are experiencing during the Iron Swords War. But is there still a way that will allow us to see the light
A herd of elephants illustration: depositphotos.com

The mystery of the prehistoric quarrying sites has been solved: the connection between man, the elephant and the source of water

Why did the ancient man return again and again, over hundreds of thousands of years, to the same quarry sites? It turns out that the secret lies in the migration routes of the elephants
A family of chimpanzees. lost the tail Illustration: depositphotos.com

Why did we lose the tail?

The loss of the tail occurred about 25 million years ago, when the lineage of humans and great apes split from that of the ancient apes. The researchers identified the insertion of a specific AluY element into the intron of the TBXT gene
Queen Esther at the city gate. Painting by Sandro Botticelli

Esther: the story of a queen

A study examines the attitude towards Queen Esther in art, religion, literature and plays in the 16th-15th century in Italy
The image illustrates the complex interactions described in your summary, and shows the complex choices that bacteriophages make between aggression and dormancy within their bacterial hosts, which are influenced by environmental cues and the health of the host. This represents the sophisticated mechanisms at work in bacterial and viral interactions as revealed by the study. Credit: The Science website via DALEE

How do viruses decide whether to stay friendly?

This is how the decision-making mechanism of viruses works
A cave of concealment during the Bar Kochva rebellion that was discovered in Hukok near the Sea of ​​Galilee. Photo: Emil Eljam, Israel Antiquities Authority.

An impressive underground hiding system from the days of the Bar Kochba revolt has been uncovered near the Sea of ​​Galilee

A ring discovered in a cave in Khokuk that was used by Bar Kochba soldiers to hide from the Romans. Photo: Dafna Gazit, Israel Antiquities Authority
Cut in a fetal body. Courtesy of the researchers

How - and where - does a disease begin?

Researchers discovered which genes are required for each stage of cell differentiation into neural stem cells and neurons, i.e. for brain development, and which of them are involved in diseases of the nervous system