What is depression? - Helen M. Farrell

What is depression? – Helen M. Farrell

Depression is the leading cause of disability in the world. In the United States, close to 10% of adults struggle with depression. But because it’s a mental illness, it can...

The Sun’s surprising movement across the sky - Gordon Williamson

The Sun’s surprising movement across the sky – Gordon Williamson

Suppose you placed a camera at a fixed position, took a picture of the sky at the same time everyday for an entire year and overlayed all of the photos...

The science of snowflakes - Maruša Bradač

The science of snowflakes – Maruša Bradač

If you ever find yourself gazing at falling snow, why not catch a few snowflakes on your glove and examine their shapes? You might notice that they look symmetrical, and...

How do we know what color dinosaurs were? - Len Bloch

How do we know what color dinosaurs were? – Len Bloch

This is the microraptor, a carnivorous four-winged dinosaur that was almost two-feet long, ate fish, and lived about 120 million years ago. Most of what we know about it comes...

How do solar panels work? - Richard Komp

How do solar panels work? – Richard Komp

The Earth intercepts a lot of solar power: 173 thousand terawatts. That’s ten thousand times more power than the planet’s population uses. So is it possible that one day the...

The surprising (and invisible) signatures of sea creatures - Kakani Katija

The surprising (and invisible) signatures of sea creatures – Kakani Katija

So my name is Kakani Katija, and I’m a bioengineer. I study marine organisms in their natural environment. And what I want to point out, and at least you can...

How do carbohydrates impact your health? - Richard J. Wood

How do carbohydrates impact your health? – Richard J. Wood

Which of these has the least carbohydrates? This roll of bread? This bowl of rice? Or this can of soda? It’s a trick question. Although they may differ in fats,...

How menstruation works - Emma Bryce

How menstruation works – Emma Bryce

This might seem hard to believe, but right now, 300 million women across the planet are experiencing the same thing: a period. The monthly menstrual cycle that leads to the...

How statistics can be misleading - Mark Liddell

How statistics can be misleading – Mark Liddell

Statistics are persuasive. So much so that people, organizations, and whole countries base some of their most important decisions on organized data. But there’s a problem with that. Any set...

The beneficial bacteria that make delicious food - Erez Garty

The beneficial bacteria that make delicious food – Erez Garty

Where does bread get its fluffiness? Swiss cheese its holes? And what makes vinegar so sour? These foods may taste completely different, but all of these phenomena come from tiny...

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