How Vitamin A helps hair grow stronger and healthier naturally: Know benefits, food sources, and safety tips for usage

Vitamin A plays a crucial role in maintaining healthy hair. It promotes sebum production for scalp moisture and supports hair follicle growth. Both too little and too much vitamin A can lead to hair loss and dryness. Consuming vitamin A-rich foods like liver, carrots, and sweet potatoes is key. Supplements should be used cautiously under…

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Caught from space: NASA’s Guardian system warned 30 minutes before the Pacific tsunami landfall

In July 2025, NASA’s Guardian system detected a tsunami triggered by a massive earthquake near Kamchatka. Utilizing atmospheric disturbances and GNSS signals, Guardian issued alerts up to 30 minutes before landfall. This experimental technology enhances traditional warning systems, offering near-real-time, global monitoring and marking a significant advancement in disaster preparedness.

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