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    21-Apr-2017 17:30:32 PM
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On Aug. 21, all of North America will experience a solar eclipse. If skies are clear, eclipse-watchers will be able to see a partial solar eclipse over several hours, and some people – within the narrow path of totality – will see a total solar eclipse for a few moments. It’s never safe to look at the Sun, and an eclipse is no exception. During a partial eclipse (or on any regular day) you must use special solar filters or an indirect viewing method to watch the Sun. Make sure you’re using proper solar filters (not sunglasses) or an indirect viewing method if you plan to watch the eclipse in person. You don’t necessarily need fancy equipment to watch one of the sky’s most awesome shows: a solar eclipse. With just a few simple supplies, you can make a pinhole camera that allows you to view the event safely and easily. Learn all how to safety view #Eclipse2017 at http://eclipse2017.nasa.gov/safety. #nasa #sun #eclipse2017 #totalsolareclipse #partialsolareclipse #moon #astronomy #science #eclipsesafety #eclipse
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This is a cataract removal surgery, performed by Dr. Jacob Prabhakar and his team from Ruby Nelson Memorial Hospital in Jalandhar, India. . In cataract surgery, the lens inside your eye that has become cloudy is removed. After all remnants of the cloudy lens have been removed from your eye, the cataract surgeon inserts a clear intraocular lens, positioning it securely behind the iris and pupil, in the same location your natural lens occupied. (In special cases, an IOL might be placed in front of the iris and pupil, but this is less common). . The surgeon then completes the cataract removal and IOL implantation procedure by closing the incision in your eye (a stitch may or may not be needed), and a protective shield is placed over the eye to keep it safe in the early stages of your cataract surgery recovery. The procedure typically is performed on an outpatient basis and does not require an overnight stay in a hospital or other care facility. . Tag a friend and help us spread medical knowledge! 😷🤓 . . . . . . . . . . #cataract #cataracts #medicine #medical #medstudent #medicalstudent #sunday #surgery #generalsurgery #medschool #medicalschool #eye #eyesurgery #research #science #medlife #surgeon #surgical #hospital #rotation #resident #futuredoctor #MD #medicalfield #nurse #murse #nursingschool #optometry #ophthalmology
Эти птицы очень вспыльчивые и способны вступать в драки с другими пернатыми. Но в целом они очень коммуникабельны и не переносят одиночества @learnall #science #facts #instascience #наука #интересно #технологии by: Top Five
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