How does blood transfusion work?

How does blood transfusion work?

In 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle into his arm, withdrew his own blood, and transferred it to her. After a few uncertain minutes, she began to recover. What made this blood transfusion successful? Bill Schutt explains the history of the […]

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The Hidden Risks of Sitting (Science Video)

The Hidden Risks of Sitting (Science Video)

a fantastic video presentation form TED-Ed listing some of the hidden risks behind sitting on your behind all day. Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary […]

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A Visual Explanation of Earth’s Seasons (Northern and Southern Hemispheres) [Video]

A Visual Explanation of Earth’s Seasons (Northern and Southern Hemispheres) [Video]

Here is an easy to understand animation that explains the science of Earth’s seasons. The video above illustrates the Northern hemisphere, and the one below, the Soutern hemisphere. From Dr James O’Donoghue: The length of time we’re exposed to Sun each day, combined with the Sun’s angle in the sky (high angles = high intensities), […]

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The Truth About Chocolate and Your Health

The Truth About Chocolate and Your Health

Is chocolate really healthy? The short answer is in regular conditions, no, it isn’t, but be sure to watch the video to learn more! There are claims floating around that chocolate might actually be good for you, and SciShow is here to help separate fact from fiction. [SciShow]

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The Probability of You Getting a Unique “Real-Life” Superpower Mutation [Video]

The Probability of You Getting a Unique “Real-Life” Superpower Mutation [Video]

From Reigarw Comparisons: From being immune to pain and electricity, to being a prodigy in music, art or even a human calculator, we shall compare the rarest superpower humanity ever known. What is the probability of being ambidextrous, having unbreakable bones or even super endurance? How many people have the Myostatin related muscle hypertrophy? How […]

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The Highest Resolution Video Of The Sun Ever Just Released

The Highest Resolution Video Of The Sun Ever Just Released

The National Science Foundation released the first images from the Daniel K. Inouye Solar Telescope, considered to be the most detailed images of the Sun to date. The first movie covers an area of 36,500 x 36,500 km (22,600 x 22,600 miles, 51 x 51 arcseconds), while the second one covers an area of 19,000 […]

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