The biggest unsolved mysteries in cosmology

The natural world is filled with a rich tapestry of creatures, each occupying a unique evolutionary niche that helps to keep the ecosystems they live in functioning healthily. But the truth is, over the centuries, we humans have treated some of them better than others. Our tenden ...  Show more

There’s an entire cosmos hidden from our human eyes. The only way to see it is by looking at the Universe with a radio. We talk to Dr Emma Chapman about how she uses radio telescopes to reveal the cosmic mysteries of the Universe. Learn more about your ad choices. Visit podcastch ...  Show more

We often think of art and science as existing in different — even opposite — spheres. One revolves around creativity and imagination; the other around observable facts and data — and never the twain shall meet.But really, art and science aren't as far apart as we might think. For ...  Show more

Children who are being taught mathematics often balk at the idea of negative numbers, thinking them to be fictional entities, and often only learn later that they are useful for expressing opposite extremes of things, such as considering a debt an amount of money with a negative ...  Show more

Geometry is one of the oldest disciplines in human history, yet the worlds it can describe extend far beyond its original use. What began thousands of years ago as a way to measure land and build pyramids was given rigor by Euclid in ancient Greece, became applied to curves an ...

When math is based on abstract concepts, how do we know it’s correct? Dr. Eugenia Cheng takes on that question in a new book.

The concept of math has been around for a long time, developing independently in many different cultures. In 1650 BC, the Egyptians were ...