In this video, we explore the mechanism, risk factors, and patient presentation (signs/symptoms) for cauda equina syndrome.

Astronomers using data from the European Space Agency's XMM-Newton satellite have found a long-sought X-ray signal from NGC 4151, a galaxy that contains a supermassive black hole. The discovery promises a new way to unravel what's...

Every PE Pro needs to have a set of these activity pins in their arsenal. This week's video is filled with simple and progressive games that will keep everyone moving, laughing and engaged.

In this video, we discuss the differences between radicular pain and a true radiculopathy including their most common mechanisms.

Bennu's Journey is a 6-minute animated movie about NASA's OSIRIS-REx mission, Asteroid Bennu, and the formation of our solar system. Born from the rubble of a violent collision, hurled through space for millions of years, Asteroid...

CISSP Domain 7: Security Operations: The history of cryptography.
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This clip is from the chapter "CISSP Domain 3: System Architecture and Engineering" of the series "CISSP® Certification Domain 3: Security Architecture and...

In this video, we will discuss the biomechanics of the temporomandibular joint (TMJ) during mandibular elevation.

Globe valves are an important fixture to understand because improper installation and operation can lead to leakage from piping, causing extensive damage and requiring maintenance. Globe valves are a highly common control...

In this video, we explore the biomechanics of the temporomandibular joint with emphasis on the arthrokinematic movements of the mandibular condyle with respect to the articular disc.

In this video, we discuss the biomechanics of cervical flexion and extension in DETAIL.

In this video, Mark will review the more contemporary page layout techniques such as Flexbox.

What is a minimal pair? A minimal pair is two words that have one sound which is different. For example, ship and sheep, or fun and fan.



Sounds in t
his video:
1. /ʌ/ and
/æ/ (but, bat)
2. /æ
/ and /e/ (man,...

On Sept. 16, NASA's Swift satellite detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the presence of a previously...

Scientists have mapped the environment surrounding a black hole that is 10 times the mass of the Sun using NASA's Neutron star Interior Composition Explorer (NICER) payload aboard the International Space...

In this video, Jonathan from the Institute of Human Anatomy discusses the different types of back pain, the causes of each type, and, of course, the relevant anatomy involved in back pain.

This video tutorial focuses on the structure and actions of the hip joint.

In late June 2013, an exceptional binary system containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed. The pulsar's radio beacon vanished, while at the same time the system...

In this video, we identify and differentiate between the major ligaments of the vertebral column, which collectively stabilize the spine.

Using combined data from a trio of orbiting X-ray telescopes, including NASA's Chandra X-ray Observatory and the Japan-led Suzaku satellite, astronomers have obtained a rare glimpse of the powerful phenomena that accompany...

This video tutorial compares and contrasts nerve impingements in the cervical and lumbar spine: 0:00. Intro to spinal nerve impingement 0:25. Cervical region 1:47. Thoracic region 2:03. Lumbar region 4:00. Practice questions 5:44. Review...

Ultimate Frisbee is a relatively new sport in which players throw a disk (or Frisbee) around a field and attempt to score points by catching the disk in the end zone. Learn the rules of the sport and understand why is there usually no...

Learn the basics of FRISBEE with your kids at school - forehand, backhand, catching, bonus throws & skills