high levels of humidity may have influenced the evolution of broader, flatter noses in some Southeast Asian populations. A wider nasal structure can potentially help with warming and humidifying air efficiently, although nose shape is influenced by many factors, including genetics, ancestry, climate, and population history. It's also important to note that Southeast Asians are highly diverse, so not everyone has the same nasal features. #flatnose #southeastasian #adaptation #asiantiktok

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24 గంటల్లో 3 లక్షల పిడుగులు! నెదర్లాండ్స్‌లో ఏం జరుగుతోంది? 300,000 lightning strikes in 24 hours! W

July 31–Aug 5: Continuous Rain Nationwide l TNN EARTH l 07-31-2026

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@drbahaadmourInside the Heart | Blood Leaves and Remains 🔄🫀 ────────── Your heart does not empty completely with every beat. 🔬 The left ventricular ejection fraction, or LVEF, measures how much blood the left ventricle pumps out during contraction. For example, an LVEF of 64% means the left ventricle ejects 64% of the blood volume it contains at the end of filling, while about 36% remains inside before the next heartbeat refills it. A value of 64% is within the usual normal range. Blood then