Watch Now You Know - Season 2 | iwonder

Now You Know - Season 2

Now You Know - Season 2

20 min20184

Health & Science Nature & Environment

Will your pizza soon be delivered by a robot? Why do leaves change color in the fall? Can a silicon heart save lives? A whole world of science presented as short bite-sized facts. Now you know!

Now You Know - Season 2

20 min20184

Health & Science Nature & Environment

Will your pizza soon be delivered by a robot? Why do leaves change color in the fall? Can a silicon heart save lives? A whole world of science presented as short bite-sized facts. Now you know!

Now You Know: How Does the Moon Influence the Weather?

1. Now You Know: How Does the Moon Influence the Weather?

The moon exerts its gravitational force on both the seas and the land. But how exactly does the moon influence the weather?

Now You Know: Why Does Our Weight Vary According to Location?

2. Now You Know: Why Does Our Weight Vary According to Location?

Is it really the case that the scales register a different weight according to where we are in the world?

Now You Know: How Did Life on Earth Come About?

3. Now You Know: How Did Life on Earth Come About?

We know that life on our planet arose from dead matter 3.8 billion years ago. But how is that possible? Can life simply occur like that?

Now You Know: Do Trees Sleep?

4. Now You Know: Do Trees Sleep?

Most living organisms adapt their behavior to the rhythm of day and night. But is it the same with trees?

Now You Know: Do Bananas Grow From Seeds?

5. Now You Know: Do Bananas Grow From Seeds?

Bananas – one of the world’s most popular fruits. But did you ever wonder how bananas grow?

Now You Know: What Are Viruses?

6. Now You Know: What Are Viruses?

Viruses – responsible for many of humankind’s worst diseases like HIV, Ebola and COVID-19.

Now You Know: Why Don't Our Body's Cells Live Forever?

7. Now You Know: Why Don't Our Body's Cells Live Forever?

The cells of our body have a built-in expiry date. Find out the reason why.

Now You Know: Why are scientists replicating photosynthesis in a lab?

8. Now You Know: Why are scientists replicating photosynthesis in a lab?

Scientists are replicating photosynthesis in a lab. This could help to battle climate change.

Now You Know: Do animals have a soul?

9. Now You Know: Do animals have a soul?

Some animals show emotion, others even recognize themselves in the mirror. But do they actually have a soul?

Now You Know: After so long in space, why doesn’t the ISS fall down to earth?

10. Now You Know: After so long in space, why doesn’t the ISS fall down to earth?

The International Space Station orbits the Earth around 16 times a day. But how does it stay in its orbit?

Now You Know: What generates ocean currents?

11. Now You Know: What generates ocean currents?

Ocean currents have a huge influence on our climate. But what generates them?

Now You Know: Why do we have two nostrils?

12. Now You Know: Why do we have two nostrils?

Almost all mammals have two nostrils. Have you ever wondered why?

Now You Know: What does science say about masturbation?

13. Now You Know: What does science say about masturbation?

Masturbation – still a taboo in many cultures. But how healthy is masturbation?

Now You Know: Could artificial trees help mitigate climate change?

14. Now You Know: Could artificial trees help mitigate climate change?

Learn what artificial trees are and if they can help us remove CO2 from the atmosphere.

Now You Know: Why are mammals born blind?

15. Now You Know: Why are mammals born blind?

Find out why some animals are born blind and some are born fully developed.

Now You Know: What are zoonotic diseases?

16. Now You Know: What are zoonotic diseases?

One of the biggest problems facing humankind: zoonotic diseases like malaria and corona.

Now You Know: Do Rocks Grow?

17. Now You Know: Do Rocks Grow?

Find out if rocks can actually grow and how mountains are being formed.

Now You Know: How do fish see in water?

18. Now You Know: How do fish see in water?

Human vision is blurred underwater. But what’s the view like through the eye of a fish?

Now You Know: What happens to disposed plastic bottles?

19. Now You Know: What happens to disposed plastic bottles?

We all use plastic bottles. Find out what happens after you throw them away.

Now You Know: Animals from the Age of the Dinosaurs

20. Now You Know: Animals from the Age of the Dinosaurs

Dinosaurs became extinct 66 million years ago. Find out which species from that time still survive to this day.

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