Search results for “教育 alucation”

6 Signs You're Actually an Introvert, Not Shy

Have you often been told that you’re shy? But deep inside you, you know you’re not. Maybe you’re a bit quiet at times, and you just don’t care for small talk. Or maybe you find it hard to connect with some people, but that doesn’t mean you’re afraid of socializing. Well, instead of being shy, you ma

Nerve impulses in the heart

In a healthy heart, nerve impulses originate solely within the heart itself. The wall of the right atrium contains special cells for this purpose. Specifically, in the sinus node, the natural pacemaker of the heart. Authors: ZDF/3sat/nano/Südkino F i l m p r o d u k t i o n GmbH/Berndt Welz/Hannah

Nucleus, Cytoplasm, Membrane

What constitutes a cell? More than any other structures, it is the nucleus, cytoplasm, and membrane. Explore the form and function of these three critical cell parts in this video segment adapted from Carolina Biological Supply's An Introduction to the Living Cell. CREDITS: https://www.pbslearningm

7 Habits Of Highly Intelligent People

Highly intelligent people practice healthy habits and build a routine that maximizes their efficiency when doing productive things. And of course, what better way to improve yourself than to learn these habits from intelligent people. Do you identify and share these same habits? Writer: Xinyi Scr

The first payment methods

Mankind's money ranged from iron rods to cocoa beans. The most widespread currency of all time, however, was the cowrie. In early China, it even served as the official reserve currency. Author: Gruppe5 /Sabine Klauser/Sebastian Martinez Translation and Dubbing: alugha Click here to see more video

ScienceCasts: Views of Home

Cameras on NASA spacecraft have treated us to intriguing and inspiring perspectives of our home planet as they've looked back at Earth from various locales. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

Swift: Gamma-Ray Bursts

In the late 1960s, scientists accidentally discovered gamma-ray bursts — intense flashes of energy that typically last no more than a few minutes and are often as short as a fraction of a second. For decades after the discovery of these powerful bursts, they remained one of the greatest mysteries in