A Conversation with the Apollo 17 Moonwalker Harrison Schmitt [Video]

The American Veterans Center published a video, a conversation with the Apollo 17 moonwalker Harrison Schmitt. Schmitt was the first geologist to visit the lunar surface. He talks about the mission, and especially, the importance of the moon rocks.

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Can Alligators and Crocodiles Mate? Understanding Their Evolutionary Paths

Alligators and crocodiles are often mistaken for one another due to their apparent physical similarities. However, appearances can be deceiving. These reptiles, though looking similar to us, belong to different families and have evolved separately for millions of years.

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Here’s why winters are colder despite Global Warming [Polar Vortex Collapse explained]

Despite human-induced climate change (global warming), a seemingly paradoxical phenomenon has been observed: harsher winters in some regions. Central to understanding this phenomenon is the polar vortex, a vast whirlpool of cold air encircling the poles, strongest in winter. However, under the influence of global warming, this vortex can weaken and even collapse. This disruption, often driven by sudden stratospheric warming events and changes in atmospheric pressure systems, allows frigid Arctic air to spill southward, bringing unexpected and severe cold spells to mid-latitudes. Thus, while the planet warms overall, the effects of a destabilized polar vortex illustrate how climate change can lead to complex and counterintuitive weather patterns, including colder winters in some areas.

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From Red to Blue: Micro and Macro Evolution Explained

Evolution works through a process akin to a color spectrum gradually shifting from red to blue, where minute changes accumulate over time to result in significant transformations. This concept offers a vivid understanding of micro-evolution, characterized by small and subtle adjustments that are almost imperceptible on their own. Over extended periods, these incremental changes lead to macro-evolution, the broader and more noticeable shifts in species and traits. This analogy not only clarifies the evolutionary process but also helps dispel common misconceptions, illustrating the seamless and natural progression from one evolutionary state to another.

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10 Recently Lost Natural Wonders

The Earth is an ever-changing canvas, boasting a plethora of natural wonders that have captivated humans for generations. From expansive coral reefs teeming with life to awe-inspiring volcanoes that seem to touch the sky, these marvels remind us of the beauty and complexity of our planet. However, not all wonders stand the test of time. Climate change, natural disasters, and human activities are threatening the very existence of these treasures. A closer look at 10 recently lost natural wonders reveals a tragic but essential story: the urgency to protect what remains and the consequences of neglect.

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Why Elephants are not Smarter than Humans, Despite Having Bigger Brains? [Explained]

Despite their larger brains, elephants and whales, while exhibiting significant intelligence, do not reach the cognitive levels of humans, whose brains are comparatively smaller. This paradoxical scenario underscores the complexity of measuring intelligence solely by brain size. In this exploration, we delve into why the larger brains of these majestic animals do not necessarily confer superior intelligence. There are nuanced factors beyond mere size – including brain structure, neuron density, and functional specialization – that contribute to the remarkable cognitive abilities seen in humans. This article aims to unravel the mysteries behind brain size and intelligence, offering insights into how diverse species have evolved distinct cognitive capabilities.

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What would the Earth be like if humans had never existed? [15 significant differences]

Around 4 million years ago, the ancestors of humans and chimpanzees diverged, genetic evidence suggests. What, if the last common ancestor of chimpanzees and humans would suddenly die before giving birth to any babies? What would the Earth be like if humans had never existed?

Researchers from Aarhus University in Denmark demonstrated that the Earth without humans would resemble Serengeti, a geographical region in Africa that hosts the largest terrestrial mammal migration in the world.

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Top 15 Animals with Misleading Names

Animals can sometimes have misleading names and carry titles that either exaggerate their features, misrepresent their behavior or habitat, or simply confuse them with entirely different species. Here are the top 15 animals known for their misleading names:

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Anna Lee Fisher became the first mother in space on November 8, 1984

On November 8, 1984, American astronaut Anna Lee Fisher became the first mother in space aboard the Space Shuttle Discovery as a mission specialist of NASA’s STS-51-A mission. It was her only spaceflight.

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Top 10 Misconceptions about Earth

Our home planet is a complex and wondrous place, brimming with mysteries and surprises. Yet, in the vast expanse of knowledge we hold about Earth, some misconceptions have taken root. These widely held but incorrect beliefs often stem from outdated textbooks, misunderstood science, or the oversimplification of complex concepts for ease of learning. They range from ideas about the shape of the Earth and the causes of the seasons to beliefs about the composition of the atmosphere and the workings of Earth’s ecosystems.

Dispelling these misconceptions is not just about correcting facts; it’s about deepening our understanding of the world around us and fostering a more informed appreciation of our place within it. Here are the top ten misconceptions about Earth.

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