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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, so the risk of extinction increases. In amphibians, on the other hand, large females actually lay more eggs, so in amphibians it is precisely the smaller animals that are in danger of extinction
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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