An owl bursting through a cloud of bubbles is helping researchers better understand the aerodynamics of flight. Researchers in London have discovered a new way in which birds use their tail to provide lift and so reduce drag while gliding. They tracked the swirling motion of more than 20,000 helium-filled soap bubbles as they were […]
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 […]
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 […]
Youtuber MetaBallStudios use the available data of some of our solar system’s best known asteroid and made a video comparing their sizes to New York City. As you’ll see, some of them are REALLY big! [MetaBallStudios]
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), […]
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]
Scientists racing to find a vaccine for the Wuhan coronavirus are hoping a cutting-edge approach called “rapid response platforms” will quickly yield a breakthrough. WSJ’s Jason Bellini explains what these are and how they work. [WSJ]
In case you do not know why we have leap years, like we do this year, this video from Dr. James O’Donoghue will show you exacly why we have them. [Dr James O’Donoghue]
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 […]
Watch as the African Caracal can turn in mid air (in slow motion) to always land on its feet. [BBC]