Science in telegram

🌿 Biomimetics: When Nature Teaches Us to Build Smarter

Termite mounds that inspire skyscraper ventilation, gecko feet that lead to surgical glue, and octopus suckers that help with tissue transplants — welcome to the world of biomimetics. 🧠✨

From medicine and architecture to robotics and renewable energy, scientists are turning to nature’s 3.8-billion-year R&D for answers to today’s biggest challenges. Why reinvent the wheel when evolution has already done it?

Read the full article:
🔗 Biomimetics: When Nature Becomes the Teacher of Engineers

#biomimetics #naturetech #innovation #science

🧠 Wireless Nano-Antennas Supercharge Brain Signals by 250x

Researchers at the University of Wisconsin–Madison have developed a breakthrough tool for brain research: nano-antennas the size of individual brain cells.

These golden, mushroom-shaped devices attach directly to neurons and amplify their tiny magnetic signals more than 250 times — all without needing wires or penetrating the skull. For the first time, scientists may be able to wirelessly monitor the activity of single brain cells in real time.

Until now, researchers had to choose between invasive electrodes or low-resolution external techniques like EEG. This innovation bridges the gap, offering a detailed, minimally invasive way to observe brain function.

The team has already simulated the system and is preparing to test it in cell cultures, followed by animal models. If successful, this could revolutionize neuroimaging and brain-computer interfaces.

#Nanotechnology #Neuroscience #BrainTech #Neuroengineering #FutureOfMedicine #Sceince

@Science

Martian Selfie with a Twist: Perseverance Captures a Dust Devil on the Horizon

NASA’s Perseverance rover just dropped a brand-new “selfie” from Mars — but it’s not alone in the shot. Look closely at the background and you’ll spot an unexpected guest: a dust devil swirling across the Martian surface.

The vortex appears in the flat terrain to the left of the rover (horizontally aligned with it in the frame), far from the elevated area where Perseverance stands. Despite the distance — around 5 kilometers — the devil is clearly visible, adding a dynamic twist to this already impressive image.

What you’re seeing isn’t a single snapshot, but a carefully assembled mosaic made from 59 individual photos. Over the course of an hour, Perseverance used its robotic arm to capture each frame, which NASA scientists then stitched together into one seamless and detailed image.

Another reminder: even on a silent, dusty world, there’s always something stirring.

#Mars #Perseverance #NASA #DustDevil #SpaceExploration

🔬 Infrared Vision: Seeing in the Dark—Even With Eyes Closed!

Chinese scientists have developed groundbreaking contact lenses that allow humans to see in complete darkness by converting infrared light into visible images. Amazingly, these lenses work even when your eyes are closed!

How It Works:
• Infrared Absorption: Special nanoparticles within the lenses absorb infrared radiation (800–1600 nm).
• Visible Conversion: This infrared radiation is then transformed into visible wavelengths (400–700 nm), allowing users to perceive otherwise invisible signals clearly.

Tested Successfully:
• Mice Tests: Demonstrated clear infrared vision by avoiding infrared-lit areas.
• Human Trials: Participants accurately identified the direction of infrared signals even with closed eyes.

Revolutionary Applications:
• Rescue Operations: Enhanced night vision without cumbersome equipment.
• Security and Encryption: Invisible signaling in sensitive environments.
• Color Vision Correction: Potential aid for people with color blindness by translating different infrared wavelengths into distinct visible colors.

Imagine a future where darkness no longer limits human perception! 🌌✨

Source: Phys.org

A muscular kangaroo performs in front of females. According to observations by kangaroo experts from Murdoch University and Curtin University, this is normal - males often demonstrate their biceps to the fair sex, the size of the shoulder is one of the signs by which female kangaroos choose a partner. What a powerful supporting tail he has ))

Japanese astronaut Koichi Wakata shows a unique way to play baseball alone.

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#Science #AI #Research #Claude #DataAnalysis #AcademicTools

Did you know that Wi-Fi and Bluetooth in your smartphone exist thanks to a Hollywood actress? 📱✨

Hedy Lamarr wasn’t just a star of Hollywood’s Golden Age, once dubbed “the most beautiful woman in the world.” In 1942, she patented a groundbreaking technology called frequency hopping, which became the foundation of all modern wireless communication.

By day, she starred in films — by night, she invented technologies decades ahead of their time.
How did an actress with no formal technical education manage to create something that changed the world of communication forever?

Find out in our new article!

#science #inventions #technology

🌟 Dive into the Unknown with Our Brand-New @Science Podcast! 🌟

🔬 Are you ready to explore groundbreaking discoveries and mysteries of science? Join us as we unravel:

🦕 Ancient Sperm Whales: Rediscovering Patagonia’s fearsome predator from millions of years ago.

⚡ Metal or Not?: Liquids astonishingly flipping between metallic and non-metallic states in fractions of a second.

💞 Romance & Friendship: How your partner becoming your best friend can boost companionship yet affect social circles.

🧲 Magnetic Decisions: Visualizing randomness at a nanoscale—transforming future computing.

🪐 Jupiter’s Past: A glimpse into Jupiter’s giant early days, twice its current size with an immense magnetic field.

😷 Next-Gen Masks: Revolutionary nanosheets allowing easy breathing while trapping harmful viruses.

🌌 Galactic Mysteries: JWST's startling discovery of bright, massive galaxies challenging our understanding of the universe.

🧬 Nanoplastics Danger: How tiny charged plastics might increase the virulence of dangerous bacteria.

🧅 No More Tears!: Physics reveals the optimal way to cut onions without crying.

✨ Higgs Boson Boost: AI breakthroughs enhancing our understanding of the universe's fundamental particles.

🚀 Join us as we discuss, dissect, and deliver @science right to your ears. Stay curious and subscribe now! 🎧✨

Dark Matter and Dark Energy: What Do We Know About the Invisible Universe?

🌌✨ Have you ever wondered what our Universe is really made of? Stars, planets, galaxies – everything we see is just the tip of the iceberg! In fact, around 95% of the Universe is made up of mysterious “dark” components: dark matter and dark energy. Let’s break it down in simple terms!

🤔 What is Dark Matter?
Imagine watching a carousel spinning rapidly. You’d expect the horses to fly off due to the speed – unless there’s something holding them in place. Similarly, astronomers in the 20th century noticed that galaxies were rotating so fast that the visible stars and gas weren’t enough to hold them together. Something else – invisible – had to be exerting gravitational force.

Swiss astronomer Fritz Zwicky first pointed this out in the 1930s while studying the Coma Cluster of galaxies. Later, in the 1960s–70s, Vera Rubin and Kent Ford confirmed the anomaly by observing the Andromeda galaxy and others.

This led to the hypothesis of dark matter – an invisible substance that doesn’t emit, absorb, or reflect light (hence “dark”) but has mass and exerts gravity. It’s believed that there is 5 to 6 times more dark matter than regular, visible matter in the Universe. Scientists are searching for dark matter particles using experiments at the Large Hadron Collider and underground detectors – but so far, no direct detection.

⚡ What is Dark Energy?
While dark matter pulls the Universe together, dark energy pushes it apart – and it does so with acceleration! In the late 1990s, two independent teams of scientists (including Saul Perlmutter, Brian Schmidt, and Adam Riess – who won the Nobel Prize for this discovery) found that distant supernovae were moving away from us faster than expected, defying the idea that gravity should slow down cosmic expansion.

Dark energy is an even greater mystery – a force-like energy spread uniformly across space that acts like “anti-gravity.” It makes up about 68–70% of the total energy-mass of the Universe. What exactly it is remains one of the greatest open questions in modern physics. It might be a property of vacuum itself or a completely unknown field.

🌠 In conclusion:
Our Universe is a breathtakingly complex place, where the visible world is just a tiny fraction of what exists. Dark matter and dark energy shape its structure and control its fate. Exploring these phenomena sits at the frontier of science and could lead to revolutionary discoveries about the very nature of the cosmos.

Do you think scientists will uncover the secrets of dark matter and dark energy anytime soon? Share your thoughts in the comments!

#science #space #universe #darkmatter #darkenergy #astronomy #physics #cosmicmysteries #scicomm #funscience

The Placebo Effect: How Our Brain Can Heal Itself

💊✨ Can a sugar pill actually relieve pain? What if we told you this isn’t magic, but a real scientific phenomenon known as the placebo effect? Let’s dive into the history and fascinating facts behind how our brain can become its own medicine.

📜 A Bit of History
The term placebo (from Latin placebo – “I shall please”) entered medical vocabulary relatively recently, but the phenomenon has been observed for centuries. Ancient physicians knew that a patient’s belief in a treatment plays a powerful role in recovery.
In the 18th century, doctors sometimes gave “dummy pills” when real drugs were unavailable or too expensive. Interestingly, in medieval texts, the word placebo appeared in funeral hymns, meaning “to comfort” — essentially offering psychological support.

In 1955, American physician Henry Beecher formally introduced the term placebo effect into modern medicine. During World War II, he observed that saltwater injections, given instead of scarce morphine, often helped wounded soldiers manage their pain — all because they believed it was real pain relief.

🧠 How It Works (in simple terms)
The exact mechanisms of the placebo effect are still under study, but researchers agree that expectation and belief play a central role. When we think we’re receiving effective treatment, our brain can:
• Release endorphins – the body’s natural painkillers, which elevate mood and reduce pain.
• Activate brain regions linked to motivation and reward – the hope itself has healing power.
• Influence physical responses – including heart rate, blood pressure, and even immune function.

😲 Amazing Facts
• Color and shape matter! Studies show that blue pills are more calming, while red ones feel more energizing. Bigger, more expensive-looking pills often seem “more effective.”
• Ritual boosts results: Elaborate medical procedures — even fake ones — often generate stronger placebo effects than simple pills.
• There’s a dark side — the nocebo effect: Negative expectations can worsen symptoms, even from harmless treatments.

The placebo effect is a powerful reminder of the deep connection between mind, body, and belief. It’s not deception — it’s a complex psychobiological process revealing just how astonishing the human brain really is.

💬 Have you ever experienced something like the placebo effect? Share your story in the comments!

#science #placebo #brainpower #selfhealing #psychology #medicine #mindbody #facts

The Magic of Morning Coffee: How Does Caffeine Wake Up Our Brain?

☕️ For many of us, the morning wouldn’t be complete without a cup of aromatic coffee. It’s more than just a pleasant taste—it has a remarkable ability to chase away drowsiness and energize us for the day ahead. But have you ever wondered how this “magic” works from a scientific perspective? Let’s explore how caffeine wakes up our brain!

🧠 The key player behind coffee’s stimulating effect is, of course, caffeine. Its molecular structure closely resembles adenosine—a compound that builds up in our brain throughout the day, making us feel tired and signaling it’s time to rest. When we sleep, adenosine levels drop.

✨ How does it work?
When caffeine enters the brain, it “tricks” it by binding to adenosine receptors and blocking them. As a result, adenosine can’t attach to its receptors to trigger sleepiness. It’s like the brain doesn’t get the signal to slow down.

⚡️ More than just alertness:
Blocking adenosine receptors sets off a chain reaction:

• Increased neural activity: The brain starts working more intensively.
• Boost in other neurotransmitters: For example, dopamine (linked to pleasure and motivation) and norepinephrine (enhances attention and focus). That’s why we often feel energized, more focused, and in a better mood after drinking coffee.
• Constriction of brain blood vessels: This can relieve some types of headaches caused by vessel dilation. However, in other tissues, caffeine may cause vessels to dilate.

🔬 Fun facts from scientists:
Studies show that moderate coffee consumption can improve cognitive functions (attention, memory), boost metabolism, and even reduce the risk of certain diseases. But moderation is key—too much caffeine can lead to overstimulation, insomnia, and other unpleasant effects.

So, your morning cup of coffee is actually a finely tuned chemical cocktail that interacts with your brain’s biochemistry to bring you that feeling of energy and well-being.

How does coffee affect you? Do you feel more energized and focused after drinking it? Share your experience in the comments!


#science #coffee #brain #caffeine #neuroscience #health #scienceineverydaylife

Why do cats always land on their feet? The physics of a feline free-fall.

🐾 You’ve probably marveled at a cat’s incredible ability to land on all four paws, no matter how they fall. It’s not magic—it’s a brilliant combination of physics and feline anatomy.

🤸‍♀️ This ability is called the righting reflex, and it starts developing in kittens as early as 3–4 weeks old, becoming fully refined by 7 weeks. So what exactly happens mid-air?

1️⃣ Figuring out up from down: First, the cat uses its inner “gyroscope” (the vestibular system in its inner ear) to detect which way is down.

2️⃣ Rotating in parts: Here’s the fascinating part—cats don’t rotate their whole body at once. Instead, they twist different parts independently, which helps them bypass the law of conservation of angular momentum (which states that a body can’t start spinning without an external force). They do it like this:
• First, they turn their head, followed by the front half of the body, tucking in their front legs to reduce rotational inertia and spin faster.
• Then, they stretch out their front legs while tucking in the hind legs, twisting the rear half of the body in the opposite direction. The tail (if present) helps with balance, but even tailless cats manage just fine!

3️⃣ Flexibility is key: Cats have extremely flexible spines (more vertebrae than humans, and more mobile ones), and no collarbone—this allows for complex mid-air twists and turns.

4️⃣ Landing prep: Once aligned, cats arch their backs to absorb the impact and stretch their legs down to act as shock absorbers.

🤯 So, a cat is unknowingly applying advanced physics every time it falls! It’s a perfect example of evolution fine-tuning natural survival mechanisms.

What other animal superpowers amaze you and feel almost magical? ✨ Share in the comments below! 👇

Hashtags: #science #howitworks #physics #biology #cats #animals

🔇 Imagine a place so silent that you can hear your own heartbeat, the sound of your lungs, and even the rumbling of your stomach as if they were loud noises. This isn’t fiction—it’s the reality of anechoic chambers: specially designed rooms that absorb nearly all sound waves.

🌍 The quietest such room, listed in the Guinness World Records, is located at the Orfield Laboratories in Minneapolis, USA. The background noise level there reaches an astonishing negative value of -9.4 decibels! For comparison, a quiet bedroom at night measures around 30 decibels.

🤯 Why do we need such rooms? They’re used to test audio equipment, study the limits of human hearing, and conduct medical research. But spending time in complete silence is extremely challenging for humans. Within minutes, people may start experiencing auditory hallucinations—the brain, deprived of its usual sound input, begins to “invent” noises. The longest recorded time anyone has lasted alone in such a room, in complete darkness, is just 45 minutes.

🤔 That’s because we’re used to orienting ourselves using sounds and their reflections. In an anechoic chamber, this sense vanishes, which can lead to disorientation or even panic.

#science #amazingfacts #silence #acoustics #anechoicchamber

🎙 New Science Podcast — May Highlights

From Soviet spacecraft crashing back to Earth 🚀, to chimpanzees revealing language-like skills 🐒, to AI predicting cancer survival from just a face photo 🤖 — this week’s discoveries span from Earth’s core to the edges of space.

Tune in for 10 fresh stories on storms, swords, smart molecules, and the hidden dangers in our rivers and plastics.

#Science #Podcast #AI #Space #Health #Nature

Earth: the only planet that can both speed up and slow down — depending on which newspaper you read!


Read @Science instead

Science in telegram pinned a photo

The Soviet spacecraft Kosmos-482 has returned to Earth after a 50-year journey through space.

The probe re-entered the dense layers of Earth’s atmosphere at 9:24 a.m. Moscow time and splashed down approximately 560 kilometers off Middle Andaman Island in the Indian Ocean.

Over the past year alone, 1,981 objects — both natural and artificial — have entered our planet’s atmosphere.

On average, five objects fall to Earth every day, and one out of seven weighs more than 500 kilograms. At night, they can often be seen as ‘shooting stars.’ Cases of material damage are extremely rare.

@science