Why should you read Virginia Woolf?
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How best can we understand the internal experience of alienation? In both her essays and her...
Lesson duration 06:03
How best can we understand the internal experience of alienation? In both her essays and her...
Lesson duration 04:41
In the 1950s, a group of ranchers in Idaho were baffled when their sheep gave birth to lambs with...
Lesson duration 05:45
4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off...
Lesson duration 02:47
Humans aren't rational creatures, but the folks at 'Social Good Now' have some ideas for what we...
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Rubik's Cube pro Collin Burns tells us how he solved the cube in 5.25 seconds.
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Saudi Arabia announced in September 2017 that it would allow women to drive, ending a...
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It’s a common misconception that stomach ulcers are caused by emotional upset, psychological...
Lesson duration 04:43
They say the pen is mightier than the sword, and authorities have often agreed. From outlawed...
Lesson duration 06:10
Our bodies – the physical, biological parts of us — and our minds — the thinking, conscious...
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During the warmer months, especially at night during the full moon, horseshoe crabs emerge from...
Lesson duration 05:41
Although standardized testing is a particularly hot topic in education right now, this approach...
Lesson duration 04:47
On January 1, 1863, Abraham Lincoln legally changed the status of over 3 million people from...
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In September 2015, scientists witnessed something never seen before: two black holes colliding....
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The universe is bustling with matter and energy. Even in the vast, apparent emptiness of...
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What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They...
Lesson duration 19:16
We all have origin stories and identity myths, our tribal narratives that give us a sense of...
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There are over 170,000 words currently in use in the English language. Yet every year, about a...
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Consider the classic white t-shirt. Annually, we sell and buy 2 billion t-shirts globally, making...
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Who built the pyramids? The colossal geometric monuments found at Giza and elsewhere in Egypt are...
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On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked...
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Plants are constantly under attack. They face threats ranging from microscopic fungi to small...
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For most jobs, it’s understood that you can be fired – whether for crime, incompetence, or just...
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Cell membranes are structures of contradictions. These oily films are hundreds of times thinner...
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Eighty-five percent of the matter in our universe is dark matter. We don’t know what dark...