Written language, the hallmark of human civilization, didn't just suddenly appear one day. Thousands of years before the first fully developed writing systems, our ancestors scrawled geometric signs across the walls of the caves they...

Throughout Earth's history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth...

How do you rediscover a happier, more purpose-driven (and less productivity-obsessed) self in the wake of the pandemic? Quiz yourself alongside work futurist Dominic Price as he lays out a simple yet insightful four-part guide to...

13,000 years ago, North America seemed to be thawing from a 2.6 million-year ice age. Then, a huge swath of Earth was suddenly plunged back into the cold for 1,000 years. To understand why we need to talk about megafloods.

Working in Vienna at the turn of the 20th century, he began his career as a neurologist before pioneering the discipline of psychoanalysis, and his influence towers above that of all other psychologists in the public eye. But was Sigmund...

So far, the rulers of Europe have been working to consolidate their power and expand their kingdoms, and this is it. The moment they've been working toward: Absolute Monarchy. We're going to learn about how kings and queens became...

Paul Andersen explains how reproductive isolation can eventually lead to speciation. Three main barriers to gene flow are included: geographic, pre-zygotic and post-zygotic. Both allopatric and sympatric speciation are discussed. A...

Over its lifetime, the Earth has seen plenty of climate change. About 50 million years ago the planet experienced extreme cooling, and all from a little fern.

With the non-avian dinosaurs extinct, it was time for mammals to take over. Finally, in the tiniest sliver of the history of life, humans emerge.

This video explores the mysterious mass extinction event that occurred 450 million years ago, potentially triggered by an Ice Age. It delves into the impact on marine life, with clues found in ancient rock formations in northern Africa.

When you hear the words dire wolf, your mind might jump to Game of Thrones or Dungeons and Dragons, but dire wolves are not just in the realm of fantasy and fiction. They were real animals that lived during the last Ice Age, and we're...

This week, researches published a genetic analysis of the 11,500-year-old remains of a baby found in Alaska, near where the first Americans crossed the Bering land bridge. That analysis has answered some lingering questions about human...

Earth had a climate long before we showed up and started noticing it and it's influenced by a whole series of cycles that have been churning along for hundreds of millions of years. In most cases those cycles will continue long after...

There is a mysterious cold blob in the North Atlantic that could be a warning sign that the largest heat transfer system on the planet, the AMOC, is on the brink of collapse. But it turns out that the AMOC’s collapse is a highly debated...

Is global warming just part of Earth’s natural cycle? In this episode of Weathered, we break down why that’s not the full story. From ice ages and Milankovitch cycles to the role of CO2 and fossil fuels, today’s climate change is unlike...

Now that humans are all over the world, what do their lives look like? How were they influenced by the Ice Age that occurred at that time? How complex can hunter-gatherer society become? Let's get a closer look!

Howcast - If you’re still living in the Ice Age—that is, with a non-defrosting freezer—you’ll need these ancient skills.

The skeletal remains of a horse unearthed in Utah thought to date to the last ice age are actually much younger.

The skeletal remains of a horse unearthed in Utah thought to date to the last ice age are actually much younger.

Pupil outcome: I can identify some of the processes that have caused this landscape of mountains and lakes. Key learning points: - Rocks in the Lake District reveal changes over millions of years - Mountains, valleys and lakes here have...

Pupil outcome: I can understand the landforms of glacial erosion and deposition in North Wales. Key learning points: - North Wales in the UK is an example of a glaciated landscape. - Snowdonia in North Wales exhibits landforms of...

The origin of Homo sapiens is in Africa. But at some point we began to leave and settle in other parts of the world. When did this happen, and why? What are the remains we have found that document this incredible journey? Let's take a look!

Prehistory – the time before we had written records – is filled with many unanswered questions. But by studying old objects, like tools and bones, scientists have found clues about North America's earliest inhabitants.

This video explores the phenomenon of animals sensing earthquakes before they happen and the causes of earthquakes. It also highlights the importance of understanding and engineering our buildings and cities to withstand earthquakes. The...