Prochik Explains

Amazing things from Israel and around the world, explained simply.
History, archaeology, science, technology, nature and more.

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Welcome to Prochik Explains.

Stories about Israel, science, history, nature, technology and more.

I find surprising things, check the facts and explain what is actually happening.

Follow for new stories.

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Built during the Hasmonean period, the aqueduct remained in use, with interruptions and modifications, until the early 20th century.

Ancient engineering that served Jerusalem for nearly 2,000 years.

📌 More discoveries:
https://t.co/rHxv92PW2l

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Archaeologists in Israel have uncovered a 300-meter section of a 2,000-year-old aqueduct built to supply Jerusalem with water.

The ancient system stretched 21 kilometers and operated entirely by gravity, without pumps.

📷 Emil Aladjem / Israel Antiquities Authority

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Nothing inside the stone actually moves. Only the reflection of light changes.

Tiger’s eye gets its golden-brown color from iron compounds.

📌 More fascinating facts about nature and science:
https://t.co/rHxv92QtRT

#ProchikExplains #Minerals

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🐅 It looks like golden light is moving inside this stone.

This is tiger’s eye, a variety of quartz. Its tiny, parallel fibrous structures reflect light, creating a shifting bright band.

🎞️ Peltogyne85 / Wikimedia Commons / CC BY-SA 4.0

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Their first arms may not appear until they’re 60–75 years old, and some can live for around 200 years.

So this bobcat might be resting on a cactus that’s been growing for generations. 🌵

More stories:
https://t.co/rHxv92QtRT

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In Arizona, bobcats sometimes climb giant saguaro cacti, sharp spines and all! 🌵🐈

These wild cats are excellent climbers. Scaling a cactus can help them escape larger predators, including mountain lions.

📷 National Park Service (NPS), Public Domain

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🌸 Every fall, white flowers up to 6 inches (15 cm) across bloom along Israel’s Mediterranean coast.

The sea daffodil (Pancratium maritimum) opens mainly at night, attracting moths with its fragrance.

An underground bulb helps it survive the dry summer.

🎥 Evgenii Prochik

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And it does all this without a brain like ours.

Its visual system helps it navigate, avoid obstacles, and control its movement.

More science and nature stories:
https://t.co/rHxv92QtRT

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A box jellyfish really does have a box-shaped bell.

But the strangest part is its vision: it has 24 eyes arranged in four groups. Some are simple light sensors, while four have lenses and retinas.

📷 Photo by: Southeastern Regional Taxonomic Center/SCDNR

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These remarkable images were captured using the Goode Solar Telescope in California.

Advanced adaptive optics revealed incredibly fine details of the Sun’s plasma.

More fascinating science and discoveries:
https://t.co/rHxv92QtRT

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☀️ An ice cube at 10,000°C? On the Sun, almost!

Solar prominences are around 10,000°C, while the surrounding corona can exceed 1 million°C.

🎥 Schmidt et al./NJIT/NSO/AURA/NSF / CC BY 4.0. Video modified.
🎵 AlexGuz / Darkness Cinematic Sport Trailer

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A bird that normally migrates from North America to South America unexpectedly appeared in Israel!

On October 16, a juvenile Buff-breasted Sandpiper was spotted in the Negev Desert.

Only the second recorded sighting in Israel!

📷 Stephan Sprinz / Wikimedia Commons / CC BY 4.0

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The carving is real, but its meaning remains uncertain. Even the building traditionally identified as a brothel is debated.

📌 More stories about history, science, and discoveries:
https://t.co/rHxv92PW2l

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An ancient footprint carved into a street in Ephesus, Turkey, may have pointed to a brothel near the famous Library of Celsus.

But was this really an ancient advertisement?

📷 Basriseckin, Dudva / Wikimedia Commons, CC BY-SA 4.0.

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The technology could one day help repair tissue damaged by severe burns, injuries, or surgery.

It’s still experimental, but functioning blood vessels inside 3D-printed living tissue are a major step forward.

More fascinating stories from Israel:
https://t.co/rHxv92PW2l

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Remember Leeloo from The Fifth Element, reconstructed from a fragment of her hand?

Israeli scientists at the Technion have 3D-printed living tissue with muscle, fat, blood vessels, and lymphatic vessels.

📷 AI reconstruction / Technion research.

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Despite their armored bodies, these beetles can fly using wings hidden beneath their golden-yellow wing covers.

Their larvae develop in decaying wood, helping recycle organic matter.

More fascinating discoveries:
https://t.co/rHxv92PW2l

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🪲 Nearly 4 inches long, and it can fly!

Meet Eupatorus gracilicornis, the five-horned rhinoceros beetle. Males use their remarkable horns to compete for mates.

📷 Wikimedia Commons: Rushenb / CC BY-SA 4.0; Len Worthington / CC BY-SA 2.0; Didier Descouens / CC BY-SA 4.0

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Ocean sunfish swim using their dorsal and anal fins instead of a typical tail.

They can dive hundreds of meters deep and return to the surface to warm up.

🎥 AI-generated reconstruction.

More fascinating stories about Israel:
https://t.co/rHxv92QtRT

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🐟 A giant fish with almost no tail was spotted off Israel’s coast!

In August 2026, a 1.7-meter (5.6-foot) ocean sunfish (Mola mola) appeared near Eilat’s coral reef reserve.

These unusual giants can weigh over 2 metric tons!

📷 NOAA / Wikimedia Commons, Public Domain