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Young Galileo

Webb Space Telescope imaging. Photo: NASA

Webb Space Telescope: Seeing far. is very!

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These days, the Webb Space Telescope is expected to take the place of the Hubble Telescope after more than 30 years of operation. How far in space and time (!) can the web reach? What does he see that the human eye is unable to perceive? And how could he help us discover the secrets of the creation of the universe?
Astronaut Peggy Whitson. Photo: NASA

Peggy Whitson - the astronaut who managed missions on the International Space Station, will serve as a captain on behalf of SpaceX

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Yes ma'am! Astronaut Peggy Whitson was the first woman to be appointed mission commander to the International Space Station, was the first woman to command two missions to the space station, and is to be the commander of the second mission to be launched by the private space companies Axiom Space and SpaceX with space tourists
energy sources. Illustration: depositphotos.com

The energy that never ends - the difference between depleting and renewable energy

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What is renewable energy and what is degradable energy? What are the origins of one and what are the origins of the other? How are energy sources usually sorted and how can they be divided differently?
Safari Wildlife Hospital. Photo: Carmel Vernia

Our animal friends - about the wildlife hospital in Safari

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What is a wild animal? An animal that is found in the wild, that is not domesticated and that the person does not take care of. So what do wild animals do on safari? Private individuals or inspectors of the Nature Reserves and Gardens Authority who find injured animals in the wild - bring them to the Safari Wildlife Hospital, where they are treated and released into the wild as quickly as possible
the heart. Illustration: depositphotos.com

From the heart

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Butterflies feeding on lavender flowers camouflage themselves in the presence of ants. Photo: shutterstock

Trojan horse in an ant nest

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It turns out that the protected ant nest, which has constant temperature and humidity conditions and even a food supply, is a place that attracts various insects and animals. Want to know what cunning methods butterflies have developed to penetrate the ants' nest and live at their expense? Butterfly, not what you thought
A mummy from the ancient Inca culture in Peru. Illustration: depositphotos.com

The mummy returns

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The splitting of the spacecraft in Genesis 2 into three parts. Image: SpaceIL

starting from the beginning

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In April 2019, the Israeli spacecraft Genesis crashed on the lunar surface. A big disappointment on the side of an impressive achievement. The glorious failure is just a reason to continue: the Genesis 2 project is underway!
A futuristic city. Illustration: depositphotos.com

Since then to space

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The Milky Way in the desert. Photo: depositphotos.com

We came to bring back darkness

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Why was it easier for Galileo Galilei to observe the starry night sky than for us? Since during his time the light bulb had not yet been invented! It turns out that light pollution caused by artificial lighting not only interferes with stargazing, but also seriously harms life on Earth
Galileo is looking through a telescope. Illustration: shutterstock

Galileo's mistakes

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Galileo Galilei made many discoveries that changed the face of science as we know it today, but along the way he made several mistakes and drew wrong conclusions. Even the smartest scientists make mistakes! What can be learned from mistakes?
Different ideas about the universe in the period before Galileo. Illustration: shutterstock

Who was Galileo Galilei?

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What kind of person was Galileo? How did his innovative world views develop? What was it like to live in Renaissance Florence and study at the University of Pisa?
Zenovia takes one last look at the city of Tadmor. Painting by Herbert Schmaltz. From Wikimedia

Zenobia rebels against the Empire

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Zenobia was the queen of Tamar during the Roman rule in the region. After the king's death, she decided to rebel against the empire and conquered considerable territories, from the Nile to the Euphrates. Although her reign did not last many years, she was recognized as an educated, ambitious and very brave woman
Uploading the Dragon capsule to the rescue ship. October 2, 2020, time 22:16 p.m. Screenshot from NASA TV

The year America returned to space

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In Waitomo Cave live tiny larvae called Orchenocampa luminosa (luminous mosquitoes). Photo: Shutterstock

The secret of the magical cave

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Somewhere in far away New Zealand there is a cave that is illuminated by a spectacularly beautiful blue light. The entire ceiling of the cave sparkles like a starry night sky. How does this happen without human contact? The magic of nature
A plan for building submarines dating back to 1860 was probably the inspiration for Jules Ron, but the original idea was already put forward by Margaret (Lucas) Cavendish, in 1666. Photo: shutterstock

writing the future

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Surprisingly, it's not the science fiction writers, nor the futurists - but science fiction writers who have many times succeeded in predicting the future: flights into space, satellites, submarines, even the credit card and the iPad. And how creepy, two Israeli writers managed to predict the corona epidemic
The immune system attacks invading viruses. Illustration: shutterstock

Fighting fiercely against tiny enemies - the story of the immune system

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Did you know that our immune system consists of two subsystems? One is born, and the other is acquired during our lives. Both together fight invaders (bacteria, viruses, etc.) as much as they can. So why do we need vaccines? Because even these two are not always enough to fight all the troubles
Reconstruction of the biblical persimmon perfume, from the exhibition "Jerusalem: A Medical Diagnosis Exhibition", 2014. Photo: Deror avi / Wikimedia.

The mystery of the secret perfume

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How do you draw Napoleon? With a Napoleon hat! How did these images become fixed in our heads? Painting: "Napoleon Crossing the Alps", by Jacques-Louis David.

Michelangelo made horns for him

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Illustration of Mowgli from "The Jungle Book", 1924. Illustration: Maurice de Becque.

children of the wild

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We all want to remember more than we do. It turns out that there are several methods to train the brain to remember more. Illustration: pixabay.

When one is greater than two

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Illustration: pixabay.

rolling with laughter

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Microwaves are electromagnetic waves used for communication, for locating objects such as airplanes, for astronomy and physics research, and of course for rapid heating of food. Photo: alexunderwood910.

The wave of the microwave

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An American astronaut in a white spacesuit for spacewalks, to which an independent propulsion unit (Manned Maneuvering Unit) was added, which allowed the astronaut to move away from the space shuttle. The use of the independent propulsion unit was very limited, and was only used three times in 1984. Photo: NASA.

Sew on them

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The fig beetle, an invasive species of giant beetle (about eight to ten centimeters long!) with huge tentacles, which arrived in wood shipments from the Far East and Africa about seventy years ago. Source: Jvertman / Wikimedia.

The Great Invasion

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