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Angle - a news agency for science and the environment

The body bones of various chameleons glow through their skin under ultraviolet light. Photo: Prötzel et al., Scientific Reports, CC BY 4.0

The chameleon in disguise

The decoration of chameleons is not limited to their outer part - and the bones of many of them glow through their skin under ultraviolet light. This is how the chameleons never stop surprising with original costumes that can be an inspiration for our most colorful holiday
In our country there are close to 750 known species of mushrooms. A swamp artist is eaten, photo: Tamar Levinson

A small poisonous mushroom

Poisoning in Israel - like mushrooms after the rain? A new study reveals the patterns of poisoning from wild mushrooms in our country. The main victims: children up to the age of 6, and also men. And what is the space where most poisonings occur? No, we are not talking about dense forests - but rather the lawns that we all know
White bear - polar bear. Able to switch from hibernation to active mode in one second. The Bronx Zoo. Photo: Avi Blizovsky

Cold feet: the secret of walking on the ice of polar bears

Special for Polar Bear Day: American researchers have discovered the reason why polar bears walk without difficulty on ice and snow surfaces that would cause each and every one of us to slip - microscopic bumps that line their furry feet
In recent winters we have all seen images of flooded streets and submerged cars. A military truck transports civilians trapped following the floods in Nahariya, January 2020. Photo: IDF Spokesperson's Unit, CC BY-SA 3.0

We do not overflow: the development that will prevent flooding

A new Israeli development based on rainwater storage tanks that are placed in residential buildings and controlled by a computerized system - may reduce the load on the drainage systems in cities, thus helping to minimize the dangerous floods that we have seen in recent winters
Simulation of an underwater gas pipeline explosion similar to the Russian gas pipeline that was blown up by the Russians to prevent gas from Europe during its invasion of Ukraine. Illustration: depositphotos.com

The war on energy

Due to the war between Russia and Ukraine, Europeans are turning to the sun and the wind: according to the estimates of a new report, in 2022 there will be a significant increase in the establishment of renewable energy production systems in Europe, following the energy crisis created by the war. What can we learn from this?
At the center of the new invention is the use of a wind turbine of a type not many people are familiar with - a vertical axis turbine. Illustration: David Kaiser

spiritual desalination

A new Israeli invention makes it possible to precipitate water with the help of a unique wind turbine whose axis of rotation is vertical, which operates without any use of electricity. This is to deal with the problem of the enormous energy consumption of the desalination process, and to also allow residents of remote areas to enjoy clean water
Arganite crystal. Illustration: depositphotos.com

What happens when failures have a fever?

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Bad surprise: Israeli research has found large amounts of mineral matter in the eastern Mediterranean whose formation process releases carbon dioxide into the atmosphere. What it means? That our ocean emits more greenhouse gases than we thought until now
A swarm of bees returns to the hive. The researchers found that the bees created an electric field in the range of 1,000-100 volts per meter. Illustration: depositphotos.com

Is there electricity in the air? These are the bees

The power of a group - the electrifying version: British researchers discovered that swarms of bees carry a particularly powerful electrical charge. It turns out that the buzz is literal
The researchers recently applied for a patent for the method they developed, and are currently looking for industry partners. Photo from the study: Nanyang Technological University

Nes Pech Hashemin, the vegetable version

Researchers from Singapore have succeeded in making the plant produce a larger amount of oil in its seeds - which may help in the fight against food insecurity in the world and make it possible to reduce deforestation for agricultural purposes. Will technology lead to a miracle?
In the research it was discovered that the protein that makes up the shoton does not have one fixed form, but can exist in at least 11 states. Photo by CDC on Unsplash

And even so, the bacterium moves and moves

For many years, researchers from all over the world have debated the question: how do bacteria move? A new international study sheds light on the movement mechanism of those microscopic creatures, through a reexamination of the proteins that make them up
Northabout in the Arctic Circle. Photography: Thomas Bour

Northern exposure

The most significant threat to the Great Barrier Reef is warming ocean waters, which creates coral bleaching. Photo by QUI NGUYEN on Unsplash

Is the reef recovering?

Good news from the world's most famous coral reef: an Australian report indicates that large parts of the Great Barrier Reef are undergoing significant recovery. But alongside the success, the evidence also points to some alarming findings worth diving into
a toilet Illustration: depositphotos.com

Your urine is worth more

A new Swedish development turns urine into fertilizer, and may prevent wasting the precious resource (yes, pee is important), and also reduce the pollution created by human waste. Are we facing a revolution in the toilet field?
"When you read the contents and the schedules, you understand that there is a serious plan here." Photo: Tokyo Metropolitan Government

The Green City - the Japanese version

In Tokyo, a futuristic city is being planned, which is completely sustainable and economically viable. Green utopia or ecological fantasy?
Logo of the climate conference in Sharm El Sheikh.

From Glasgow to Sharm: The climate conference opens today in a conflicted world

A year after the conference in Glasgow, in which countries such as the USA, China, Russia, the European Union and Israel, committed to goals of net-zero greenhouse gas emissions by 2050 and 2060 - the question arises: have the various countries acted to meet their commitments from the previous conference?
Persistent pollutants are everywhere. Image: depositphotos.com

Rain of pollutants

A new Swedish study reveals that the concentration of harmful chemical compounds of the PFAS type in rain has passed the point of no return. We will probably have to work hard so that the concept of "blessing rains" does not become a painful chapter in history lessons
Jason Hickel believes that it is precisely the economic model that dominates the world today, capitalism, that has brought us to the point of poverty.

What is the solution to the climate crisis?

Three books from the past year offer us three different ways to fight the climate crisis. So what is the right way?
The danger of extinction may be real for the lizards, and this is due to the climate crisis that causes a shortening of their lifespan. Photo: Ocrdu, CC BY-SA 4.0

The lizards are born old

A new French study found that lizards living in France were born "older". It is not about a sequel to "The Amazing Story of Benjamin Button", but about another item on the list of damages from the climate crisis
One of the main ways to help protect the reserve is to completely avoid using single-use plastic utensils in these areas. Photo: Shahar Chaikin

Are there fish in the margins?

A new Israeli study examined how the fish are doing in the Rosh Hankara marine reserve. Diving deeper into the issue showed that the protection of the fish decreases as they move away from its center. So how do we protect the locos that have fallen to the margins? We will protect the marine reserves
This year's convention was held against the backdrop of a steep increase in the number and severity of extreme weather events in the world - a phenomenon caused by the climate crisis. Credit: Raafat, CC BY-SA 4.0

On the way to Sharm

In about a month, the UN's international climate conference will open in Sharm el-Sheikh, where world leaders will gather to try and fight the climate crisis. What is expected to be there? What opportunities does it hold? And what will Israel bring to it?
The climate crisis: if we are all to blame - then none of us is to blame. Image: depositphotos.com

The real soul-searching we need

Opinion: Yom Kippur is an opportunity to take stock of our vulnerability to the environment. We must prioritize our well-being over more and more profits, and start the social change that will lead us from a culture of "use and throw away" to a sustaining reality of true abundance
Apparently, it will be impossible to repair the vulnerabilities in these pipelines in the coming months. Part of the Nordstrom pipeline. Photo: Vuo, CC BY-SA 4.0

Environmental terrorism from Europe may also reach Israel

Marveling in front of the giant tree "General Sherman", whose age is estimated at 2,700-2,200 years, reminds us that there are things much bigger than us - literally and metaphorically. Photo: Jim Bahn, CC BY 2.0

How much is nature worth? Depends on how you measure

A new UN report indicates that lawmakers around the world only look at the immediate economic benefit that can be derived from nature - and ignore its value in aspects that are harder to quantify in numbers, such as its effect on the psyche and its cultural role. Is it even possible to put a price tag on the feeling of "green in the eyes", or on the technological developments that nature provides us?
Inside the car, the air comes from the air conditioner. Image: depositphotos.com

Will you open a window? The air pollution inside the car

When the car is barely making progress on the busy city roads, it is comforting to think to ourselves that at least within its walls we are protected from the urban air pollution. But a new study calls us to actually get out of the vehicles: it turns out that it's quite polluted inside - and even more than outside
The "Space Bubbles" project is an example of climate engineering: an active and large-scale intervention in the Earth's climate, with the aim of dealing with the global climate crisis. PR photo

Make bubbles in space

A new development from MIT proposes to launch into space giant bubbles that will serve as a shield against solar radiation. A logical solution to the climate crisis or crossing a red line?
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