Tag: science
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Watch styrofoam dancing to sound waves in a Kundt’s tube
Put your hands in the air and wave them like you just don’t care. What looks like a dubstep rave of little ghost people is actually styrofoam dancing to sound waves in a massive plexiglass pipe known as a Kundt’s tube. In 1866 German physicist August Kundt constructed the experimental acoustical apparatus to measure the speed of sound in…
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Two ash-covered bodies from Vesuvius eruption uncovered at Pompeii
Archaeologists uncovered the body of a wealthy 40-year old man and his young slave in Pompeii, 2,000 years after the eruption of Mount Vesuvius. Excavations at the suburban villa Civita Giuliana, a suburb outside Pompeii, discovered the bodies covered in a bed of 6.5-foot ash. Researchers believe that the two men survived the initial eruption…
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There are different types of tears
Did you know that we shed different types of tears based on our emotions? Each tear type is composed of unique chemicals — mainly salt, water, and lysozyme — that give them their variable structure. Emotional tears contain a natural painkiller According to scientist Claire Phillips, tears of grief contain the neurotransmitter leucine enkephalin which…
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NASA and ESA capture closest images of the sun ever taken
NASA and the European Space Agency (ESA) have snapped the closest pictures ever taken of the sun. The images, taken nearly 48 million miles away from the sun’s surface by the Solar Orbiter probe (launched February 9), reveal countless tiny flares which scientists have called “campfires.” Scientists hope that these never-before seen exterior shots will…
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Rare Hominin skull excavated in Ethiopia
Paleontologists have discovered a 3.8 million-year-old skull in Woranso-Mille, Ethiopia that reveals the face of a male Australopithecus anamensis. Identified mainly by its projecting cheekbones and canine-esque teeth, the newfound hominin cranium provides new information about our earliest human ancestors. Previously, the 3.2m-year-old iconic hominin bones of Australopithecus Afarensis, best known as before Lucy, served…