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| Name | Here’s How That Annoying Fly Dodges Your Swatter | Deep Look |
| Video Uploader | Video From Deep Look |
| Upload Date | This Video Uploaded At 24-11-2020 14:01:54 |
| Video Discription | A fly has a pair of tiny, dumbbell-shaped limbs called halteres that were once a second pair of wings. They wield them to make razor-sharp turns and land out of reach on your ceiling. But don't despair – there *is* a trick to smacking these infuriating insects. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt Please join our community on Patreon! https://www.patreon.com/deeplook DEEP LOOK is a ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Explore big scientific mysteries by going incredibly small. --- Flies are formidable opponents, with an arsenal of tools they carry all over their bodies. For starters, their hair and antennae help a fly sense us as we walk up to them. And a fly’s eyes and tiny brain process information 10 times faster than human eyes and brains. “Compared to flies, humans are slow and sluggish creatures,” said Sanjay Sane, who researches flies at the National Centre for Biological Sciences at the Tata Institute of Fundamental Research in Bangalore, India. Once the fly escapes your swatter and is in the air, it’s in its element and your job is even tougher. Seen up close and slowed down, a fly’s aerobatics are impressive: It makes razor-sharp turns with ease and at great speed. What makes this possible is a pair of modified wings called halteres, a Greek word for dumbbell, which describes their shape. All of the 200,000 species of flies that scientists have described have a pair of halteres and a pair of wings. (That includes mosquitoes, which, wouldn’t you know it, are flies too). Most other insects – bees, butterflies, dragonflies – have four wings and no halteres. --- How do flies’ halteres work? As a fly turns, its halteres sense the rotation. In a split second, neurons at the base of the halteres send information to the fly’s muscles to steer its wings and keep its head steady. “Houseflies flap their wings about 200 times per second, which means they really only have five milliseconds to figure out what the next wingbeat is going to be like. And if you’re using vision that takes too long to do,” said Jessica Fox, who studies flies at Case Western Reserve University, in Ohio. “They really need a mechanical receptor in order to be able to sense their body rotations and correct them on the timescale that they need.” --- How do flies land and stay on the ceiling? Their halteres allow them to rotate quickly to land on the ceiling. Once they’re there, they hang upside down with tiny hooks and sticky pads on their feet. The pads, called pulvilli, have microscopic hairs that excrete a liquid that sticks to the surface. --- How do I swat a fly? “Flies process information about moving objects but they cannot process static objects, Sane explained. “Thus, the best way to approach a fly is in small, quasi-static steps such that they do not see you as a moving object.” ---+ Read the entire article on KQED Science: https://www.kqed.org/science/1971058/heres-how-that-annoying-fly-dodges-your-swatter/ ---+ Shoutout! 🏆Congratulations🏆 to the these 5 fans on our Community Tab for identifying the tiny limbs beneath a fly's wings - halteres: Tom Riddle Unknown Gamer CaeliGlori TorterraGrey8 Juanma G.V. ---+ Thank you to our Top Patreon Supporters ($10+ per month)! Bill Cass Justin Bull Burt Humburg Alex Shebastian Reyes Daniel Weinstein Egg-Roll Karen Reynolds Wild Turkey Chris B Emrick Josh Kuroda Tea Torvinen dane rosseter David Deshpande Daisuke Goto Companion Cube Tianxing Wang Elizabeth Ann Ditz Kevin Judge Leonhardt Wille Laurel Przybylski Dia Kelly Hong Robert Amling Gerardo Alfaro luna Mary Truland Sayantan Dasgupta Supernovabetty Joshua Murallon Robertson Aurora Pamela Parker Carrie Mukaida Shelley Pearson Cranshaw Cindy McGill Laura Sanborn Silvan Wendland monoirre Rick Wong Carlos Carrasco Titania Juang Roberta K Wright Misia Clive Nathan Wright Sonia Tanlimco Levi Cai Nicolette Ray Teresa Lavell Caitlin McDonough Kristy Freeman Blanca Vides Alexandre Valdetaro Guillaume Morin Noreen Herrington Scott Faunce Cristen Rasmussen Dogman Louis O'Neill Kallie Moore Geidi Rodriguez Syniurge SueEllen McCann KW Joao Ascensao Aurora Mitchell Sharon Merritt Adam Kurtz TierZoo ---+ Follow KQED Science and Deep Look: Instagram: https://www.instagram.com/kqedscience/ Twitter: https://www.twitter.com/kqedscience ---+ About KQED KQED, an NPR and PBS affiliate in San Francisco, CA, serves Northern California and beyond with a public-supported alternative to commercial TV, radio and web media. Funding for Deep Look is provided in part by PBS Digital Studios. Deep Look is a project of KQED Science, the largest science and environment reporting unit in California. KQED Science is supported by The National Science Foundation, the Dirk and Charlene Kabcenell Foundation, the Vadasz Family Foundation, the Gordon and Betty Moore Foundation, Campaign 21 and the members of KQED. jBPFCvEhv9Y |
| Category | Science & Technology |
| Tags | fly | insects | housefly | flight | flying | flyswatter | haltere | halteres | wings | deep look | science | pbs | 4K | education | nature | wild | documentary | macro | insect | bugs | entomology | tsetse fly | mosquito | swat fly | nature documentary | disease | blowfly | blowflies | green fly | aerobatics | pulvilli | proboscis | lucilia | health | flies | how do flies eat | how do flies get in your house | do flies poop when they land | fruit flies | bacteria | how does a fly eat | evolution | crane fly | regurgitate | germs | food | slow motion | buzz | biology |
