Category: Science

Scientists have suspected for decades that high-flying mosquitoes could move pathogens far from where the mosquitoes first took an infected blood meal. | Photo Credit: Wolfgang Hasselmann/Unsplash Mosquitoes spread diseases such as malaria and dengue, and these diseases affect billions of people worldwide. Many public health plans assume that pathogens borne by mosquitoes spread over…

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Science quiz: Giants on whose shoulders Newton stood 1 / 5 | The work of X on falling bodies and the idea that an object in motion tends to stay in motion set the stage for Newton’s laws of motion. X is also known for trying mathematics to physical measurements in a new way. Newton…

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Why do we get goosebumps? Source link

Along the Vaigai river in southern Tamil Nadu, archaeologists have been excavating an old settlement at Keezhadi. They have already found brick walls, channels that look like drains or small canals, floors made of fine clay, and many pieces of pottery. These finds matter because Tamil poems from the Sangam period talk about busy towns…

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Yawning has important functions for the body. | Photo Credit: Tim Bish/Unsplash A: You’ve just had a heavy meal and now you have to sit through a dull lecture. Soon you’re feeling drowsy. You yawn, and your eyes water. This happens because yawning affects the muscles and glands around the eyes. Just above each eye…

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The story so far: Millions of naturally occurring Micrometeoroids and Orbital Debris (MMOD) orbit the earth, posing a constant threat to all spacecraft and space stations. The menace attracted global attention recently when a piece of debris struck the Chinese crewed vehicle Shenzhou-20, causing a minor crack in the window of its return capsule, rendering…

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Planarian flatworms are small, unassuming creatures with an astonishing talent. Cut one into pieces, and each fragment can regrow a complete animal. This seemingly magical ability comes from their prolific stem cells, known as neoblasts, which can produce every tissue in the body. In most animals, such regenerative stem cells grow under the care of…

Read More “In axolotls and flatworms, regeneration is a body-wide choreograph” »