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Added on the 07/05/2019 13:32:38 - Copyright : Wochit
Among their many unique talents, octopuses can taste objects with a mere touch of a suction-cup-covered tentacle. According to Gizmodo, a team of researchers has finally gotten to the bottom of how these cephalopods perform this mysterious feat. They discovered a distinct population of cells located on the tips of the suckers, which they named 'chemotactile receptors.' A second type of cell within the suction cups converts mechanical stimulation into signals the brain can understand as touch, among other senses. The nervous system of an octopus is distributed, in which the arms contain two-thirds of its total neurons and can function independently from the brain. That's why a severed octopus arm can still try to reach out and grab things. Yikes!
In the 1840s, a Hungarian doctor noticed that when doctors performed autopsies and then helped women give birth, it led to a higher death rate among the mothers. Dr. Ignaz Semmelweis then implemented chlorine handwashing practices throughout the hospital, and death rates dropped significantly. According to Business Insider, at any given time, every person's hands are covered with a few 100,000 to several million germs--all of them constantly on the move. Staph infections, bacterial infections, cold and flu viruses, and of course the dreaded novel coronavirus COVID-19 can all enter the body via the hands. Given that one study showed people touch their faces roughly 20 times an hour, it makes sense to be a frequent, and thorough, hand-washer. Wash your entire hands with running water for at least 20 seconds, scrubbing everywhere--including under the nails.
Liam Gallagher has reworked the lyrics for Oasis classics 'Wonderwall', 'Supersonic' and 'Champagne Supernova' in a bid to encourage people to wash their hands in an attempt to slow the spread of coronavirus.
Rio de Janeiro's Mayor, Eduardo Paes, hands over the keys of the city to Rei Momo, the king of carnival, to mark start of the festivities. IMAGES
Venezuelan President Nicolas Maduro and his Guyanese counterpart Irfaan Ali shake hands after a two-hour meeting in Saint Vincent and the Grenadines. There was no immediate news on the outcome of talks about Caracas's claim on oil-rich Essequibo, which makes up more than two-thirds of neighboring Guyana. IMAGES