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Evolution and nature

Cells that the researchers infected with corona (a weaker color indicates that they were destroyed due to the infection)

The infection processes of the corona virus

Researchers used RNA sequencing of individual cells to characterize the ways in which the corona virus spreads in the cells of the body, and in the general population
Artist's rendering of a group of G. blacki within a forest in southern China. Credit: Garcia/Juan-Boyo (Southern Cross University)

3 meter tall apes in East Asia became extinct because they were overspecialized

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In the spectacular karst landscapes of southern China, giant apes, known as Gigantopithecus blacki, once roamed. They were three meters tall and weighed about 250 kilograms. They became extinct about 300 thousand years ago. The reasons for the extinction of these apes remained a mystery for years
Different variants of the corona virus. Illustration: depositphotos.com

The origin of the variants

A study in immunocompromised patients found that the corona virus develops mutations while hiding in the lungs, which can help its spread in the rest of the population
Comparison between the plants whose seeds were exposed to ethylene, and the normal plants. source

Eureka moments, strange discoveries and super plants

Thanks to an accidental discovery in the laboratory, researchers were able to improve plant growth and give them resistance to drought and salinity conditions, by exposing their seeds to a plant hormone in a simple and easy-to-apply process
Blacks also support Trump. Illustration: depositphotos.com

Every dog has its day? The people who hesitate to vaccinate their dogs

A new study reveals that about half of Americans are afraid to vaccinate their dogs, thereby risking the spread of rabies and other diseases that can harm the animal - and humans. And what is the situation in Israel?
The evolution of horses. Image: Mcy jerry w CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=98977446

A new evolutionary theory explains why animals shrink over time

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Research: A New Understanding of Animal Size Changes Over Time: Competition, Ecological Pressures, and Cope's Law
Fruit flies mate. Illustration: depositphotos.com

Sexual frustration leads to stress in fruit flies

The research insights of Yulia Rivkin from the Faculty of Life Sciences in Bar-Ilan open up an opportunity for in-depth research into the effect of stress on the nervous system
The pituitary gland of the zebrafish. The variety of cell types are marked in different colors: in purple - phytocytes, in red and green - two types of hormone-producing cells

Where does the fish secrete from: back to the origins of the pituitary gland

Weizmann Institute scientists are challenging a 200-year-old doctrine about the formation of the gland from the secretion of hormones. Their findings may lead to new approaches in the treatment of various medical problems
Antibody engineering. Illustration: depositphotos.com

humanize the messenger

An algorithm developed by the institute's scientists heralds a leap forward in the field of humanizing antibodies and may enable the rapid, efficient and cheaper development of new drugs. The key: stability
Influenza vaccine in adults. Illustration: depositphotos.com

Oxford researchers: flu vaccine reduces by 50% the chance of adults going to intensive care as a result of complications

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People aged 65 and older who were vaccinated had a 41% lower risk of being hospitalized with the flu in general and among the severe patients - a 45% lower risk of going to intensive care
Oats and grains of wheat. Illustration: depositphotos.com

Local heroes

The growth of wheat has become an Israeli symbol of hope and renewal after a disaster. So are Prof. Avraham Levy's field experiments in the Gaza Envelope, which continue a glorious Israeli legacy of researching the evolution and genetics of the world-famous grain
Researchers at the University of Queensland have found that humans can understand the emotional state of chickens from the sounds of their clucking. This ability, which is not affected by previous experience with chickens, has significant implications for improving poultry welfare and can assist in the development of artificial intelligence-based surveillance systems. Illustration: depositphotos.com

Interspecies communication: Humans have cracked the chickens' clucking code

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Research led by the University of Queensland has found that humans can tell if chickens are excited or disappointed, simply by the sound of their clucking
New research shows great apes have an extraordinary social memory, recognizing former group members even after more than 25 years. This finding, which indicates a significant cognitive similarity between great apes and humans, emphasizes the depth and duration of social ties in our animal relatives. The study found the longest-lasting non-human social memories ever recorded. Photo: Johns Hopkins University

Eternal bonds: Great apes exhibit remarkable memory for their long-lost friends

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Great apes recognize pictures of group members they haven't seen in more than 25 years and respond more enthusiastically to pictures of their friends, new research suggests
Cells infected with the corona virus. Illustration: depositphotos.com

Medicines in the evolution test

Drug safety tests often focus on "physiological safety", meaning their possible effect on patients. Weizmann Institute of Science scientists propose a new type of test: evolutionary safety
The Homo erectus tribe participates in the hunt. Illustration: depositphotos.com

Continuing the Tracing of Human Descent: The Impact of Climate on Out-of-Africa Migration

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Sediment studies in the Mediterranean reveal the existence of a green corridor in the Sahara desert that emerged at the exact time when our ancestors migrated from Africa about 2.1 million years ago
Jellyfish swarm winter 2023. Photo: Dr. Gur Mizrahi and Dr. Eli Shemesh from the Charni School of Marine Sciences at the University of Haifa

A swarm of wandering filamentous jellyfish arrived on the shores of the country precisely in the winter

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After an unusually jellyfish-free summer, a swarm of wandering filamentous jellyfish has been seen in recent days off the coast of Haifa
This image, taken by NASA's Perseverance rover on Aug. 6, 2021, shows the hole drilled into Martian rock in preparation for the rover's first attempt to collect a sample. It was captured by one of the rover's cameras in what the rover's science team called "cobblestone" in the area. The crater floor is broken and rough" in Jezero Crater. Credit: NASA/JPL-Caltech

Did life exist on Mars and other planets? We may soon know through artificial intelligence

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Japanese researchers from Nagoya University have revealed new aspects of the interaction between mast plants or mass seeding plants, i.e. plants that spread their seeds at once like Sasa bamboo and field mice. Their research reveals that mouse behavior (which varies between species, and varies according to environmental conditions and seasons) plays a crucial role in seed dispersal and ecosystem health in forests, and challenges existing theories about seed storage and consumption. Credit: Reiko Matsushita

Scientists reveal fascinating connections between mice and a plant that blooms once in a hundred years

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Their findings highlight the importance of understanding the needs of both plants and animals to ensure the health of local ecosystems. They also overturn a previously held belief about how mice store seeds
Visualization of the XNUMXD structure of a key protein in the coronavirus: the main protease enzyme essential for its ability to replicate and thrive (marked in turquoise). The researchers were looking for molecules that could bind to different targets on the protein (marked in yellow) and thus block its activity. Source: Diamond Light Source

The COVID Moonshot Partnership Presents: A Roadmap for Accelerated Drug Development and Coping with Future Pandemics

A tweet by Prof. Nir London from the Weizmann Institute of Science grew into an international partnership to find a cure for Corona based on the principles of open science and crowd wisdom. Now the scientists involved are laying the groundwork to deal with the next epidemic
Gamma ray burst (Image Credit: NASA/Swift/Mary Pat Hrybyk-Keith and John Jones via NASA)

Elements essential to life were created following a massive explosion in space

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E. coli bacteria. Illustration: depositphotos.com

Fighting bacterial resistance

Researchers have developed a catalytic antibiotic - which causes cutting and fission of targets in the bacteria - and as a result, its death
The means for surveying agricultural areas: satellites, photo planes, drones. From the study

Satellites and drones can save the pollinating insects

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Satellites and drones can provide vital information that can contribute to the protection of nature's pollinators. New research is exploring new ways to utilize these technologies to track the availability of flowers, where this research may be combined with behavioral studies to see the world through the eyes of insects
dog training Illustration: depositphotos.com

Food vs toys - scientists reveal what dogs really prefer

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It is definitely possible to train a dog with toys if you start very early," said the lead researcher from the University of Florida. "This is what we do with search and rescue dogs, we start very early with toys as reinforcers."
Reconstruction of a Neanderthal family in the Neanderthal Museum in Croatia. Illustration: depositphotos.com

The encounter between Neanderthals and modern man as told by their genomes

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Photo 190541348 | Virus © Ponsuwan | Dreamstime.com

The coronavirus toolbox

About two components that help COVID-19 make its proteins and multiply
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