Young Galileo

Webb Space Telescope imaging. Photo: NASA

Webb Space Telescope: Seeing far. is very!

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 the human eye see?
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

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

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

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

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
the heart. Illustration: depositphotos.com

From the heart

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

Trojan horse in an ant nest

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 sneaky methods butterflies have developed to infiltrate
The splitting of the spacecraft in Genesis 2 into three parts. Image: SpaceIL

starting from the beginning

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 mummy from the ancient Inca culture in Peru. Illustration: depositphotos.com

The mummy returns

A futuristic city. Illustration: depositphotos.com

Since then to space

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

We came to bring back darkness

Why was it easier for Galileo Galilei to observe the starry night sky than for us? Since in his time the light bulb had not yet been invented! It turns out that light pollution caused by artificial lighting is not only disturbing
Galileo is looking through a telescope. Illustration: shutterstock

Galileo's mistakes

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
Different ideas about the universe in the period before Galileo. Illustration: shutterstock

Who was Galileo Galilei?

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

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 kingdom lasted not many years, she was recognized
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

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

The secret of the magical cave

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

Surprisingly, it's not the information scientists, nor the futurists - but the 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 writers
The immune system attacks invading viruses. Illustration: shutterstock

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

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 two too
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

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

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

children of the wild

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

Illustration: pixabay.

rolling with laughter

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

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

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

Volcanic cone at Kilauea volcano in Hawaii. Source: United States Geological Survey / GE Ulrich.

to the top

Illustration: pixabay.

And in a dream I saw

Simulation of a manned base on Mars. Source: NASA.

Who will build a house on Mars?

Marie Curie in a photograph from 1898. From Wikipedia

The scientist who cracked the secret of radioactivity

Quasars - ghost stars. Photo: Hubble Space Telescope/NASA

Blah-blah radio

Michael J. Fox, Doc Brown and the DeLorean used as a time machine

Fasten your belts, take off for the future...

An artist's illustration of the surface of Proxima b, an Earth-like world orbiting the closest star to the Sun - Proxima Centauri. Image: ESO / M. Kornmesser

A new world around the corner

Urban environment in Singapore. From Wikipedia

A tower with its head in the sky

The chicken and egg paradox. Photo: shutterstock

The full story about the chicken and the egg

Development of the nervous system in the fetus

Anger Management

Sunspot up close. Photo: NASA

If you have a stain

Water pressure - Figure: City of Sydney

no pressure!

Influenza virus strain A. From Wikipedia

The maddening viruses

Do flowers conduct electricity? It's not for nothing: in the future it will be possible to create much more sophisticated plant-electronics interfaces. roses Photo: shutterstock

Not just a flower

The skeletal muscle system of men and women. Illustration: shutterstock

make muscles

Dolly the sheep stuffed animal. From Wikipedia

Shed me a sheep - 20 years since the birth of Dolly the sheep

An infographic describing the journey of the Orion spacecraft from launch to landing

Heaters of engines

Kalachao Siyum, a doctoral student at the University of Arizona, of Ethiopian origin, presents the jawbone he discovered at a site in the Afar state in Ethiopia, which dates back the first species in the human lineage to 2.8 million years. Photo: Arizona State University

Summary of the year 2015 in science

Children spin pinwheels. Illustration: shutterstock

Spin na, spin a spinner and teach us physics

The thin, dark streaks on the slopes of Bamai hills like the one in the section of the Horowitz Crater could have been formed by the seasonal flow of water on present-day Mars. The channels are several hundred meters long

A chance for life on Mars

Six two-month-old puppies eat together from a bowl. Photo: shutterstock

To wag a tail

Maglit beach on the water's edge. Photo: shutterstock

Why don't birds get wet?

owl. Photo: shutterstock

Animals in the service of agriculture

Illustrating the tide caused by the moon. Illustration: shutterstock

Prince of Tides

four Seasons. Photo: shutterstock

Empire of the Sun