Will we travel to Mars? Can we read minds? This knowledge series asks the big and small questions… and gets to the bottom of them.

How beautiful life would be without fear. What would you do if you weren’t afraid: Cross a rocky gorge on a tightrope? Drive a motorcycle at breakneck speed? Bungee jump from a tall bridge? Why does fear have such a hold on us? Wouldn’t it be better if there were no fear at all?

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Fear has such a hold on us. How beautiful life would be without fear. What would you do if you weren’t afraid? Would it be better if there were no fear at all?

What If Fear Didn't Exist?

Life has its own unique soundtrack. No matter where we are, no matter what we do, we are surrounded by noises and sounds. To what extent are we influenced by sound? And when we hear a noise, does it sound the same to each of us?

Life has its own unique soundtrack. No matter where we are or what we do, we’re surrounded by sounds. But when we hear noises, do they sound the same to each of us?

Do We All Hear the Same Things?

Air travel is a climate killer. But if we stop flying we’ll have a global logistics problem, with numerous supply chains interrupted. If we want to keep flying, it’s time for a revolutionary energy transformation. Luckily, the necessary technologies already exist.

Air travel is a climate killer. But without flight, supply chains will be interrupted. If we want to keep flying, it’s time for a revolutionary energy transformation.

Will We Stop Flying?

Thanks to Artificial Intelligence, robots can recognize us, drive cars, perform surgeries with precision, create art and play a perfect game of chess. But can robots also have feelings? Will we ever consider robots our friends, or love them like real humans? And above all, can they love us back?

With A.I., robots can recognize us, drive cars, perform surgeries and play chess. But do robots have feelings? Will we ever love them, and can they love us back?

Will We Love Robots?

Nearly six years of our lives are spent dreaming. Yet there is so much untapped creative potential in our dreams. What if we could take the brilliant ideas from our dreams and turn them into reality? How can we make our dreams more meaningful?

Six years of our lives are spent dreaming. What if we could take the brilliant ideas from our dreams and turn them into reality? How can we give our dreams more meaning?

Should We Dream More?

No one lives forever, but scientists will never stop trying to combat aging. Now, laboratories around the world have been successful with rejuvenation in animals such as mice and fruit flies. If animals are living longer and healthier lives, can this research benefit humans?

Labs around the world have been successful with rejuvenation in mice and fruit flies. If animals are living longer and healthier lives, can this research benefit humans?

Will We Live Forever?

Extreme cold. Cosmic rays. A thin CO2 atmosphere. If that is what awaits us on Mars, why are we so fascinated with journeying to The Red Planet? Will mankind ever set foot on Mars? Will humans ever live there?

Extreme cold. Cosmic rays. A thin CO2 atmosphere. If that is what awaits us on Mars, why are we so fascinated with journeying to–and living on–The Red Planet?

Will We Actually Travel to Mars?

We all know that the earth is experiencing an “energy crisis.” We are using so much energy that our planet is reaching its limits. The “perfect” energy source would need to be inexhaustible yet protect the earth and climate. But where do we find it?

The earth is experiencing an “energy crisis.” The “perfect” energy source would need to be inexhaustible yet protect the earth and climate. But where do we find it?

Where is the Perfect Energy Source?

Today, with the help of solar cells, we can generate energy out of almost nothing. Is there a chance we could be flushing tons of potential down the toilet? Maybe our "poop" is more than just useless waste?

Today we can generate energy out of almost nothing. Could we be flushing tons of potential down the toilet? Maybe our "poop" is more than just useless waste?

Can We Turn Poop Into Gold?

Hate seems like a useless emotion, yet the power of hatred can be very purposeful and destructive. What causes humans to hate? Is hate something we all have the capacity to feel? There are so many unanswered questions when it comes to this complicated emotion.

Hate is a useless emotion, yet the power of hatred can be very destructive. What causes humans to hate? Is hate something we all have the capacity to feel?