What caused the Cambrian explosion? • 2015 The Economist

Category: Nature
Download:

For most of the Earth's history, life consisted of the simplest organisms; but then something happened that would give rise to staggering diversity, and, ultimately, life as complex as that which we see today. Scientists are still struggling to figure out just what that was.

The Economist • 2015 - 2017 • 9 episodes •

What caused the Cambrian explosion?

For most of the Earth's history, life consisted of the simplest organisms; but then something happened that would give rise to staggering diversity, and, ultimately, life as complex as that which we see today. Scientists are still struggling to figure out just what that was.

2015 • Nature

Do we live in a multiverse?

It has long been thought that our universe is all there is, but it is possible we may live in just one of many.

2015 • Astronomy

What is consciousness?

Understanding what consciousness is, and why and how it evolved, is perhaps the greatest mystery known to science.

2015 • Brain

Why does time pass?

The equations of physics suggest time should be able to go backwards as well as forwards. Experience suggests, though, that it cannot. Why? And is time travel really possible?

2015 • Physics

Life in the universe

Does life exist anywhere else in the universe? And how did it get started? Scientists are seeking the answers in the cosmos, our solar system and right here on planet Earth.

2015 • Astronomy

What is the universe made of?

The Earth, the sun, the stars, and everything we can see, only comprise five percent of the universe. But what about the other 95 percent? Scientists are puzzling over dark matter and dark energy, the mysterious components that make up the rest.

2015 • Astronomy

Why are women paid less than men?

The gender pay gap is not caused by women earning less than men for the same job. It is largely because women choose different careers and suffer a “motherhood penalty”’.

2017 • Economics

Transforming cities with technology

Cities are growing faster than at any time in history, straining services and infrastructure. Technology-driven advances are at the forefront of solving this age-old problem

2017 • Technology

Which trends will affect our lives in the future

A futurist, a demographer and a museum curator spot trends that will affect the way people live and work.

2015 • Technology

You might also like

Quick and Tidy! — Sengi, Africa

Tiny, round-eyed Sengis are a rare mammal found in the African savannah. They create complex trails that are exactly like the roads humans build. The trails protect them against predators. If a Monitor lizard approaches, Sengi will take off in a flash. By speeding along the straightaway and making sharp turns, Sengi will quickly outdistance its pursuer and dart through a T-intersection to hide. Sengis also use the trails to raise their young, the most adorable little creatures ever to appear on Darwin's Amazing Animals. This episode takes a look at these fascinating creatures that spend their entire lives on the road.

Darwin's Amazing Animals • 2019 • Nature

Monterey Bay

Monterey Bay on California's coast is one of the most diverse marine ecosystems in the world, its giant kelp forest bursting with life, from microscopic plankton to visiting ocean giants. The secret key to success in such a busy microworld is balance. Steve Backshall guides us through the unique geography of the bay and introduces some of its key characters in a quest to find the one species that keeps life in the kelp forest in check.

Part 4Nature's Microworlds • 2012 • Nature

Hunting and Escaping

Life-and-death duels are fought daily in the wild: an orchid turns out to be a predator, killer whales ambush sea lions and chimps pursue colobus monkeys.

4/12Trials of Life • 1990 • Nature

The physics of sperm vs. the physics of sperm whales

Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made of...other humans.

TED-EdNature

Wildest Winter

Patrick follows the grizzly bears that are taking a risk with the weather by leaving their winter dens early. Hungry wolves are struggling to bring down their elk prey in the unusually shallow snow. And for great grey owls, it is the iciness of the snow that is hampering their hunts. Yellowstone's winter is always one of the most brutal on the planet. But 2016 saw weather records broken, and the wildlife was forced to adapt to survive. Kate Humble gets to grips with the science behind this remarkable season, from understanding the importance of the snowpack's structure as the melt begins to uncovering why Yellowstone's unique geology poses problems for some grazer's teeth.

1/3Yellowstone: Wildest Winter to Blazing Summer • 2016 • Nature

Endless Forms Most Beautiful

In this film Brian asks how a lifeless cosmos can produce a planet of such varied biology.

3/5Wonders of LifeNature