Evolution in action

Spirulina. Illustration: depositphotos.com

Breakfast of champions

When did unicellular algae become so nutritious - and how the change paved the way for an evolutionary leap
The paired X and Y chromosomes. Illustration: depositphotos.com

Things that donors know: are men an endangered species?

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Shmuel is worried about our future, the men "I heard that the male Y chromosome is diminishing over time, is it possible that every generation male mammals are losing more and more of their characteristics? Is it possible that they will disappear?"
Eleutherodactylus. Photo: Tel Aviv University

The ability of the animals to survive depends on the number of offspring and not on the size of the animal

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Large mammals give birth to a smaller number of offspring in each litter, therefore the risk of extinction increases. In amphibians, on the other hand, large females actually lay more eggs, and therefore in amphibians it is the smaller animals
Colonies of bacteria grow in a petri dish. Photo: depositphotos.com

How can interactions between bacteria predict evolutionary changes in the microbiome?

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In a study published in Nature Communications, Dr. Yonatan Friedman and PhD student Nitai Maroz from the Faculty of Food and Environmental Agriculture at the Hebrew University bring science closer to engineering a unique microbiome for specific needs in humans, animals, plants and the environment
smile. From Jumpstory.com

Things Yoram knows: Maybe stop smiling at the world already?

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A bee visits the evening primrose flower. Photo: shutterstock

Sweet hum

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viruses. Illustration: shutterstock

How can research in bacteria answer the question of how did plants and animals develop new features such as wings and flowers?

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Reconstruction of a 1.8 million year old living environment in Tanzania where hominins lived in competition with predators for hunting. Image: M. Lopez-Herrera via The Olduvai Paleoanthropology and Paleoecology Project and Enrique Baquedano.

Early human life in East Africa 1.8 million years ago was no picnic

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The chicken and egg paradox. Photo: shutterstock

This is the end of the chicken and egg paradox

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Photograph of the green alga Spirogyra [courtesy of Gert Hansen, SCCAP, Copenhagen]

Is the origin of terrestrial plants in terrestrial and not marine algae as believed until now?

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Illustrating the way Nobel laureate Satoshi Umura arrived at the effective substances against parasitic diseases. Illustration: Nobel Prize website

Bacteria and plants against parasites

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Chicks cry for food in the nest. Photo: shutterstock

The animals leave for independence

Opening of the Suez Canal, November 17, 1869. Image: shutterstock

An immigrant's point of view

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Homo erectus, and the timeline of human development. Illustration: shutterstock

Where did we come from - if I had a hammer / Ian Tattersall

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Austrian crow - from Wikipedia

How smart are the crows? / Brand Heinrich and Thomas Bognier

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The spectacular colorful striped fish Striped Kribensis

A sensor for the composition of food and various substances, inspired by the colorful striped fish

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Cleaver's law. Image: University of Maryland

Why do animals have hearts and plants don't, and how is this related to evolution's drive to save energy

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Dogs at the brain research center in Budapest. Photo: Borbala Ferenczy

Dogs have a dedicated voice recognition area in the brain, just like humans

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Emborla. From Wikipedia

The origin of flowers: Decoding the genome of a tropical plant provides insight into the evolution of flowering plants

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Design inspired by the principle of respect. The work of Rotem Segev. Photo courtesy of Shankar. (Photo: Amir Yahal)

Biomimicry and Fashion Design: Exhibition Review

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Fossilized stamen of a 249 million year old plant causes the date of the beginning of flower plants to be moved back 100 million years. Photo: University of Zurich

Flowering plants were here 100 million years earlier than previously thought

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usurpation Illustration: shutterstock

Why are we altruistic?

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Scanning electron microscope image of a pair of Tetrahymena during mating. Photo: The SEPA ASSET (Advancing Secondary Science Education with Tetrahymena) program at Cornell University

The seven species of conjunctiva

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The Red Queen Race. Illustration: John Tenniel, from Lewis Carroll's book "Through the Looking Glass and What Alice Found There".

Who needs sex when you can dry off?

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Champignon (Silurus glanis). From Wikimedia.

A dove in the belly of the fish

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Skill-like microstructures inside a 3.4-billion-year-old Halamish stone found in Western Australia. Photo: Christopher House, Penn State University

Early life: Plankton fossils have been discovered in three billion year old rocks

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An illustration illustrating what the ancient primate might have looked like in its natural habitat on trees, XIJUN NI

The oldest primate skeleton has been discovered - a creature the size of a mouse that lived 55 million years ago

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A fossil of Eunotosaurus, one of the ancestors of the modern turtle that allowed researchers to decipher the evolution of the turtle's shell

How did turtles get their shells?

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Firefox's dependency network shows the complex nature of technological systems. From the work of Andrei Madlo and Tin Yao Fang.

Survival of the fittest also works in open source software

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Snail-eating snake wraps a Satsuma snail. Photo: from the original article, courtesy of Masaki Hoso

Snails and snakes

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A rainbow fish spits on top of food above the water in Prof. Ronan Segev's laboratory. Photo: Danny Machlis, Ben-Gurion University.

Basic attention processes in humans were discovered through a study of rainbow trout

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One of the many illustrations drawn by Maria Sibylla Marian. From Wikipedia

The 366th birthday of nature book illustrator and researcher Maria Sibylla Marian

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Pea aphids (Acyrthosiphon pisum) on peas. Photo: PLOS Biology cover, February 2010. Shipher Wu (photograph) and Gee-way Lin (aphid provision), National Taiwan University.

Who gave the aphid its color?

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Deer mouse. From Wikipedia

One gene - many mutations: the gene that controls the color of the mice's fur has evolved nine times

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The cover of the book "Why evolution is true"

Creationism - a ridiculous and inconsistent theory that is forced to be studied as a science, following the book "Why evolution is true"

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The habitat where the experiment was carried out to examine the effect of artificial environments on the evolution of species, in the laboratory of Prof. Zvi Abramsky, Ben-Gurion University

The herons and the goldfish - a behavioral game of predator and prey

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The haploid cells of the fungus C. albicans (green), next to diploid cells (blue), and tetraploid cells, which contain four copies of the genetic material. Courtesy photo: Prof. Yehudit Berman, Tel Aviv University

Deadly sex of mushrooms

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Sea snails have mutual sex (each is both male and female). Photo: Ayami Sakizawa, Osaka University

Nudibranch: A species of androgynous sea snail sheds its penis after each mating but also regrows it

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The female of the Australian generation. From Wikipedia

Anti-cuckoo

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Zachary Blount, postdoctoral fellow at Michigan State University's Bacon Center for the Study of Evolution in Action

Researchers were able to document how new creatures are created - evolution easily

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Brown mouse lemur in Madagascar. From Wikipedia

Lice don't lie / Christy Wilcox

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A common thistle eats the fruit of the desert mulberry and spits out the seeds while eating. The seeds that remain intact after eating can be seen lying on the ground and between the forelegs of the spiny. Photo: Michal Semoni-Blank

The Technion researchers found how the fruit's defenses turn a seed predator into a quality spreader

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An illustration of a disappointed and grumpy chimpanzee from Darwin's book - The Expression of the Emotions in Man and Animals.

Democracy in nature?

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baby playing From WIKIMEDIA COMMONS CC license

Do babies really look more like dad?

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The white moth Biston betularia that became extinct due to the soot that covered the trees during the industrial revolution and was replaced by a black moth. From Wikipedia

A few words for the skeptics

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A chimpanzee uses a stick to pick fruit from distant branches. Public domain image from Wikipedia

Planet of the Apes: The apes are raised to think they are humans

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Dr. Adi Stern

My vision is to predict an epidemic before it breaks out, by studying the jumps of viruses from animals to humans

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Mitochondrion

The mother's curse

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The peppered moth - a light detail and a dark detail. Photo: Vitaly Gumenyuk. See link to the source of the image at the bottom of the article

The rise and fall of the black moth in England

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Yeasts that have joined multicellular organisms. Photo: University of Minnesota

For the first time: evolution of unicellular to multicellular organisms took place in the laboratory

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