Evolution in action
- Davidson Institute
- No comments
Cuckoos develop eggs and chicks that resemble those of their hosts, to avoid detection. When they have more than one host, this can lead to the creation of new species of cuckoos – especially if they are “violent”.
- Avi Blizovsky
- 3 תגובות
The discovery of the oldest fossil from the Ecdysozoa family (Uncus dzaugisi), a group of animals characterized by shedding their skin and including insects, crustaceans and nematodes, sheds light on the early evolution of animals
- Weizmann Institute
Group decision making makes ants smarter. With humans, on the other hand, sometimes it is better to be alone
- Tel Aviv University
The sponges use a precious metal to warn: beware! We are toxic
- Tel Aviv University
The female locust can dig 4-3 holes to lay eggs and then her organs that are intended for this wear out
- Avi Blizovsky
- One response
- Avi Blizovsky
- No comments
Evolution, color signals, animals, courtship, warning, peacock, poisonous frogs, communication between animals, signals in plants, evolutionary biology
- Tel Aviv University
- One response
- Weizmann Institute
The malaria-causing parasite exacts a bloody toll from humanity, not least thanks to its ability to produce unique, dark crystals inside our blood cells. New research fully deciphers the structure of these crystals and calcns
- Avi Blizovsky
- 2 תגובות
A new study reveals the twists and turns and complexities in the evolution of mammals, from a spread body structure (legs tending to the sides like in reptiles) to an upright body structure where the feet are stable on the ground
- The Hebrew University
- One response
New research has revealed how plants and bacteria swap genes to boost plant health and development. These genes affect key processes such as carbohydrate metabolism and hormone synthesis
- Avi Blizovsky
- 3 תגובות
Smithsonian Institution scientists compiled and analyzed an extensive genetic database, and found that some mushroom crops became completely dependent on ants 27 million years ago, a process created 65 million years ago by an event
- Avi Blizovsky
- No comments
Researchers have discovered for the first time the existence of parasitic planoles (sort of larvae) of the sea lily that grows in jellyfish in the Mediterranean Sea that allow the sea lily to spread beyond the immediate environment, a finding that may affect ecosystems
- The Hebrew University
- 3 תגובות
Researchers from the Hebrew University have proposed a new theory about how animals store and recover stored food. Their research, published in Scientific Reports, challenges traditional notions of animal storage behavior
- Avi Blizovsky
- One response
- The Technion
- No comments
The researchers of the Rappaport Faculty of Medicine at the Technion show in their article in Nature how the immune system has developed a "developmental space" that allows it to quickly adapt to changes in the environment
- Avi Blizovsky
- 2 תגובות
Research shows that crows can intentionally produce up to four vocalizations in response to specific cues, indicating a non-symbolic number system and vocal control similar to that of human infants. This ability offers a foundation
- Avi Blizovsky
- No comments
The researchers examined the relationship between sediment mixing caused, in part, by burrowing worms with a mineral called pyrite, which plays a key role in oxygen accumulation. As more pyrite is formed and buried under the mud, sand or
- The Hebrew University
- 5 תגובות
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
- Avi Blizovsky
- 7 תגובות
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
- Avi Blizovsky
- 5 תגובות
Research: A New Understanding of Animal Size Changes Over Time: Competition, Ecological Pressures, and Cope's Law
- Weizmann Institute
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
- Avi Blizovsky
- No comments
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."
- Tel Aviv University
The need to hunt small animals caused prehistoric man to improve his mental abilities in order to perfect his hunting tools
Why do some species survive mass extinctions? The secret may be a hidden "whole genome duplication".
- Avi Blizovsky
- One response
Geneticists have discovered a whole genome duplication event that occurred in the past in the common ancestor of sturgeons and paddlefish that may have helped them during the mass extinction 200 million years ago
- The Voice of Science website - the Israel National Science Foundation
Tracking social mammals has allowed scientists to understand how they choose a way of behavior that promotes their ability to reproduce
- Weizmann Institute
The biomass of cows, pigs, sheep and other farm animals is currently 30 times greater than that of all elephants, elk and other wild land mammals combined
- Ehud Amir
- 6 תגובות
- Ehud Amir
- 6 תגובות
Why do we think our nature is so bad? Why do we believe that constant warfare is a basic human drive?
- Ehud Amir
- One response
In this chapter we will examine whether social morality is a product of religions, or a universal biological trait that preceded cultures and religions? And how humanity can unite in times of emergency
- Ehud Amir
- 5 תגובות
In a symbiotic reorganization, the organism functions much better than its individual cells or parts.
- Ehud Amir
- 3 תגובות
The debate on whether human nature is good or bad from youth is an ancient one, Ehud Amir believes that although it may seem the other way around, human nature is good from youth and the bad are the exceptions. Chapter One
- Tel Aviv University
Researchers have discovered that corals also glow at depth to lure their prey
- Avi Blizovsky
- 6 תגובות
According to the researchers, the claims according to which the corona outbreak originates from bats are not scientifically based and are misleading to the public. According to the researchers, in most cases bats do not store viruses in their bodies and in any case they have a system
- Tel Aviv University
- No comments
About a fifth of the world's reptile species are in danger of extinction
- Weizmann Institute
How did evolution overcome the lack of order in the storage of genetic information in the transition from bacteria to more developed creatures?
- Avi Blizovsky
- One response
This is according to an article published by researchers who examined the mass extinction of humans over the past tens of thousands of years. The researchers found that the brains of large extinct species were smaller on average than that of
- Yoram Soreq
- 5 תגובות
Korbus asks: In human culture there is a taboo on sexual relations between family members, but not in animals. For example, it is not uncommon for a cat to fertilize its biological mother. Is incest
- Tel Aviv University
Researchers have found changes in the body structure of birds, which are probably due to adaptation to global warming
- Yoram Soreq
- 4 תגובות
An angry question is sent by a reader frustrated by counting calories and chewing celery: How is it that cows that eat straw, grass and other leaves and foliage that are so recommended for diets are so fat?
- Tel Aviv University
Is the routine good for us or maybe we are better off without it? And could it be that a new one that we haven't met yet is about to devour all the cards?
- Angle - a news agency for science and the environment
- Yoram Soreq
- 2 תגובות
"Nutza" asks: It is known that animals feel earthquakes. Why don't humans feel earthquakes coming?
- Dr.Roey Tsezana
At the beginning of the year 2022, three astrobiologists ran a fascinating thought experiment: they claimed that the entire Earth was about to become an intelligent organism. The meaning, as you can understand, is not that there is a mind at the core of the planet that makes decisions for
- Science site The Conversation
- No comments
Many species of moths, which are the favorite prey of many bats, have developed all kinds of tricks to avoid being eaten. Some have developed a sense of hearing at the appropriate frequencies and others, lacking the ability to hear, have developed camouflage solutions
- Tel Aviv University
Researchers from Tel Aviv University demonstrated with the help of worms that epigenetic inheritance of sexual attraction can influence the process of evolution
- Tel Aviv University
A delegation of researchers from the Faculty of Life Sciences, in collaboration with the Steinhardt Natural History Museum, flew to the other end of the world and participated in a conference on the conservation of biological diversity in the Galapagos Islands
- Ben-Gurion University
- 7 תגובות
A research group from the field of life sciences and computer science challenged goldfish to navigate in a terrestrial environment. The results change everything we thought about fish