This video reviews why heart attacks happen and how heart attacks happen. It discusses the causes of heart attacks and reviewed in detail what are the symptoms of a heart attack and what to do if a heart attack ever happen. Written by two practicing cardiologists: Dr. Jose Taveras MD FACC and Dr. Mark Greenberg MD FACC. Uses simple explanations to describe complex medical terms. Produced by Doctablet®.
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What Causes Heart Attacks, What are Heart Attack Symptoms?

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Dr. Robert Malizia of Northwell Health – GoHealth Urgent Care shares his tips for preventing sports injuries. Whether you are an amateur or a professional athlete, a former athlete, a weekend warrior, or planning on working out or competing for the first time, the following tips can help reduce your chance of sustaining a serious sports injury:
– pre-season physical
– consulting with a coach or physical therapist on your practice schedule
– wearing protective equipment
– warming up
– maintaining use or proper techniques while training
– staying active during the off-season
– remaining hydrated

Read more on our blog: https://www.gohealthuc.com/library/common-sports-injuries-prevention-recovery
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This programme is a comprehensive guide to the classification and management of sports injuries. Wendy Braybon, head physiotherapist at the Victorian Institute of Sport, shows us how to classify and manage soft tissue injuries (such as sprains, skin abrasions, lacerations, and blisters) and hard tissue injuries (fractures and dislocations). We learn to apply the RICER technique for managing soft tissue injuries and the TOTAPS and DRABC techniques for assessing and managing hard tissue injuries.

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Where and how to complete How Heartwarming – Elemental Specialist Achievement

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Explore the lytic and lysogenic viral replication cycles with the Amoeba Sisters! This video also discusses virus structures and why a host is critical for viral reproduction. Expand details for table of contents and further reading suggestions! This updated video replaces our older virus video from 2013.

Table of Contents:
00:00 Video Intro
0:29 Intro to a Virus
1:10 Virus Structure
2:30 Lytic Cycle
3:41 Lysogenic Cycle
4:48 HIV
5:52 Viruses in Gene Therapy, Pesticide

We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology

***************************************************************
Further Reading Suggestions:

Learn more about the Nuclear Polyhedrosis Virus (NPV)- a virus that can target pest insects. https://www.researchgate.net/publication/260423951_Nuclear_Polyhedrosis_Virus_NPV_A_Potential_Biopesticide_A_Review

How does Gene Therapy Work? (from NIH)
https://ghr.nlm.nih.gov/primer/therapy/procedures

We received a great comment asking about how viral DNA may go undetected. Check out this great journal article:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4348004/

****************************************************************

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky’s certification and experience in teaching biology at the high school level. For more information about The Amoeba Sisters, visit:
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We cover the basics in biology concepts at the secondary level. If you are looking to discover more about biology and go into depth beyond these basics, our recommended reference is the FREE, peer reviewed, open source OpenStax biology textbook: https://openstax.org/details/books/biology

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What is a virus and how do they work? In the first video in the series, WinchPharma Science & Health look at viruses, how they infect cells and reproduce, as well as some of the practical uses they have.
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This probably needs pretty high attack/mastery.
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Sports Medicine
How are sports injuries classified and managed?
Ways to classify sports injuries
This video is a presentation of ways to classify sports injuries, for sports medicine.

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Seeing the virus up close helps us understand it.

Support Vox by joining the Video Lab at http://vox.com/join or making a one-time contribution: http://vox.com/contribute

The images of SARS-CoV-2, the novel coronavirus that first appeared in humans in late 2019, were made using electron microscopy. The virus measures around 100 nanometers, and the smallest wavelengths of light that humans can see measure around 400 nanometers, meaning the virus is too small to see with a standard light microscope. To see something that small, you need a device that uses smaller wavelengths than light. Electrons, when accelerated in a field, behave as a wave with a tiny wavelength to accomplish this.

Two electron microscopy techniques, SEM and TEM, offer different views. A Scanning Electron Microscope (SEM) scans the surface of a sample and records information that bounces back, similar to a satellite image. A Transmission Electron Microscope (TEM) transmits electrons through a sample and projects a cross section of its inner structure. Together, these images help scientists observe the virus and how it moves in and out of host cells.

Check out Vox’s guide to navigating the coronavirus: https://www.vox.com/2020/3/5/21162138/vox-guide-to-covid-19-coronavirus

Read and see more about how the virus attacks our bodies in this New Yorker article:
https://www.newyorker.com/science/elements/from-bats-to-human-lungs-the-evolution-of-a-coronavirus

Note: The headline for this video has been updated since publishing.
Previous headline: How images of coronavirus are made

Correction: At 4:07, an animation in a previous version of this video implied that antibodies coat the entire cell membrane, when they actually bind to specific proteins on the virus. The error has been corrected..

Vox.com is a news website that helps you cut through the noise and understand what’s really driving the events in the headlines. Check out http://www.vox.com.
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Most of us know about viruses, and that they spread disease. But what is a virus exactly? Is it alive? How does it infect a host? There’s a lot to discuss here! Take a look.

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