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The Fascinating Relationship Between Salmon, Bears, and Trees
Terra Mater
Short summary
Salmon, bears, and trees are interconnected in a unique cycle. Salmon migrate upstream to spawn, providing essential nutrients to bears and trees. The nitrogen from salmon enriches the soil, promoting
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Unlocking the Secrets of Animal Communication: From Whales to Dogs
PBS Terra
Short summary
Discover the history and future of animal communication, from the iconic Songs of the Humpback Whale to the potential of AI to decode languages. Explore how humans have communicated with animals for t
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The Fascinating Sex Life of Acorn Barnacles
Deep Look
Short summary
Acorn barnacles have a unique and fascinating sex life, with armored plates, feathery legs, and long penises. They are hermaphrodites and nurture their babies until they hatch. The young barnacle larv
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The Incredible Story of Graptolites: Unraveling the Secrets of the Saluran Period
PBS Eons
Short summary
Graptolites, small organisms from the Saluran period, reveled in the secrets of the ocean. They thrived in the midst of unpredictable climate changes and extinction events, providing valuable insights
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The Mystery of Ancient Human Tools: Unraveling Their Purpose
MinuteEarth
Short summary
Ancient humans used a specific tool for over a million years, but its purpose remains unknown. Archaeologists have tried various methods to determine its function, but no conclusive answer has been fo
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The Fascinating Life Cycle of Moon Jellies
Deep Look
Short summary
Moon jellies have a remarkable life cycle, starting as tiny larvae and growing into adult Medusa. They reproduce through cloning, multiplying their chances of survival. They are important prey for bar
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The Exorcism at Shamoni: Battling Glaciers During the Little Ice Age
Extra History
Short summary
During the Little Ice Age in the 17th century, villagers in the Swiss Alps performed exorcisms on glaciers to combat their destructive effects. The Little Ice Age was a period of global cooling that c
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Why Do Weeping Trees Drip Tears Towards the Ground?
MinuteEarth
Short summary
Weeping trees, like the weeping willow, have a droopy shape due to hormonal mutations. The phenomenon is not exclusive to willows, as other tree species also have weepy varieties. Droopy branches migh
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The Secret of Antarctica: The Meteorite Hotspot
MinuteEarth
Short summary
Antarctica is the world's largest desert and the best place to find meteorites due to its extensive surface area, preservation of meteorites in ice, and the identification of blue ice. Over 42,000 met
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Understanding Air Quality Index: How is it Calculated and Interpreted?
polýMATHY
Short summary
The air quality index (AQI) measures the concentration of five pollutants in the air. Different countries have their own systems, but in general, higher concentrations of pollutants result in higher A
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Adapting to Survive: Lessons from the Little Ice Age
Extra History
Short summary
The Little Ice Age was a period of global cooling from the 13th to the 19th century. Despite the challenges, humans adapted in remarkable ways, such as the Dutch implementing dikes and windmills, and
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The Amazing Muscles and Their Survival Tactics
Deep Look
Short summary
Discover the incredible survival tactics of California mussels as they cling to rocks and form connections for safety from predators and turbulent waves. Learn about their unique thread-making process
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Not Enough Extinct Species: The Hidden Truth
MinuteEarth
Short summary
The number of officially declared extinct species is only a small fraction of the actual count. Many extinct species are not reflected in the official count, and there are also species that have been
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The Battle of Science and Doom: Examining the Population Bomb Theory
Vsauce2
Short summary
The battle between doomsday predictions and optimistic outlooks on human population growth is explored through the lenses of Paul Ehrlich and Julian Simon. Their contrasting views on overpopulation an
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The Little Ice Age: How Cold Weather Changed History
Extra History
Short summary
The Great Famine of 1315-1317, caused by the Little Ice Age, led to extreme hunger and crop failures in northern Europe. The changing climate also played a role in triggering the Bubonic Plague outbre
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Mount Washington: Home to the World's Worst Weather?
PBS Terra
Short summary
Mount Washington in New Hampshire experiences hurricane-force winds, extreme cold temperatures, and heavy precipitation, making it a contender for the world's worst weather. Its unique topography, hig
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Earth's Climate History and the Urgency to Act
PBS Terra
Short summary
Earth's temperature has fluctuated throughout its history, reaching peaks much hotter than today. Studying past climate records warns us of the urgent need to address current warming. The primary driv
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The Mystery of the Pink Lake: Exploring Lake Natron
Atlas Pro
Short summary
Lake Natron, an unusually pink lake in East Africa, is home to an incredibly salty and alkaline environment. This unique ecosystem has two dominant microorganisms, the algae Dunaliella salina and the
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The Hidden World of Underwater Plant Sex
MinuteEarth
Short summary
Discover the fascinating world of underwater plant sex and the role of animals in pollination. Scientists recently uncovered that animal pollination also occurs underwater, challenging previous assump
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The Hagfish: The Slime Master of the Sea
Deep Look
Short summary
The hagfish is a slimy and unique creature that has survived for over 300 million years. It uses its slime as a defense mechanism against predators, and its slimy nature makes it nearly impossible to
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A Day of Celebrations: A Chemist's Triumph and the Joy of Riding the Tram
Periodic Videos
Short summary
Join the celebration as a chemist receives a special honor and shares the excitement of riding the tram. Discover the unique features of the tram and the chemistry behind it, and learn why this specia
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