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The scientific world explained, from the well understood right to the cutting edge of science.

In brief

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Energy from fossil fuels such as coal, oil and gas made modern life possible in the first place; but that modern way of life is now in danger from the climate crisis and temperature extremes. Can we find an energy source that provides just as much energy as fossil fuels, but is still clean and easily available - a kind of perfect energy?

The Perfect Energy Source

Can we find an energy source that provides just as much energy as fossil fuels, but is still clean and easily available - a kind of perfect energy?

42: The Answer to Almost Everything

It seemed that human intelligence could progress indefinitely. The evolution of medicine, science and technology looked to be limitless. Research proved each generation of human was more intelligent than the last. Until suddenly they weren't. Humanity is getting stupider.

Are We Getting Stupider?

For a long time, IQ increased from generation to generation. But recently, progress has stalled. Why?

All living beings stop growing at some point. The global economy is different: it just keeps growing. Is a world without economic growth possible and what might that mean for the future?

Do We Need Economic Growth?

42 - The Answer to Almost Everything

Life would be fantastic if we were never scared. We could cross deep ravines on tightropes, ski down the steepest mountainsides and feel fine. Unfortunately, fear runs deep inside us.

What if Fear Didn't Exist?

Formulating the theory of everything, the one that would describe all the laws of the Universe from a single fundamental law, would be the pinnacle achievement of physics. We could finally understand everything and solve the mysteries that still escape us. Heisenberg, Einstein, Hawking… All the great scientists have tried. All have failed. So can we still hope to find the theory of everything one day?

The Search for a Universal Theory

All the great scientists have tried to come up with a theory of everything. All have failed.

42 – The Answer to Almost Everything

Mucus captures pathogens and protects sensitive organs. Some animals wrap themselves in a protective layer of mucus, like snails. Others use it as a weapon to defend themselves against predators.

Why Do We Need Mucus?

Some animals wrap themselves in a protective layer of mucus, like snails. Others use it as a weapon

The big data craze has not yet revolutionised medicine. But many researchers want to integrate algorithmic data processing into health policy. Is it time to rethink our vision of the body, from an individual system of organs, and instead think of ourselves as a set of data points among many?

Doctor Algorithm

The big data craze has not yet revolutionised medicine

If climate change continues unchecked, the seas will rise by up to 20 millimeters per year by the end of the century, threatening the very existence of Fiji, Vanuatu, and Bangladesh, along with major cities such as New York and Shanghai. One solution: if you can't fight the waves, join the waves. Architects have already started working on the world's first floating city.

Could We Live on Water?

If you can't fight the waves, join the waves

A rhino weighs three tons, a fly weighs five milligrams, and an adult male weighs around 80 kg. But what is the total weight of all living things on Earth?

How Much Does Life Weigh?

What is the total weight of all living things on Earth?

Corruption, abuse of power, arrogance: are our politicians really able to make decisions for the common good? And is voting for what we want any better than relying on pure dumb luck?

Sciences
In brief

All videos

42: The Answer to Almost Everything

The Perfect Energy Source

42: The Answer to Almost Everything

Are We Getting Stupider?

42 - The Answer to Almost Everything

Do We Need Economic Growth?

42 - The Answer to Almost Everything

What if Fear Didn't Exist?

42 – The Answer to Almost Everything

The Search for a Universal Theory

42: The Answer to Almost Everything

Why Do We Need Mucus?

42: The Answer to Almost Everything

Doctor Algorithm

42: The Answer to Almost Everything

Could We Live on Water?

42: The Answer to Almost Everything

How Much Does Life Weigh?

42: The Answer to Almost Everything

Should We Replace Voting with a Lottery?

SciencesIn brief

All videos

42: The Answer to Almost Everything

The Perfect Energy Source

42: The Answer to Almost Everything

Are We Getting Stupider?

42 - The Answer to Almost Everything

Do We Need Economic Growth?

42 - The Answer to Almost Everything

What if Fear Didn't Exist?

42 – The Answer to Almost Everything

The Search for a Universal Theory

42: The Answer to Almost Everything

Why Do We Need Mucus?

42: The Answer to Almost Everything

Doctor Algorithm

42: The Answer to Almost Everything

Could We Live on Water?

42: The Answer to Almost Everything

How Much Does Life Weigh?

42: The Answer to Almost Everything

Should We Replace Voting with a Lottery?

Sciences
In brief