42: The Answer to Almost Everything

1 · Can we dig our way through the Earth?

2 · Could We Live on the Moon?

3 · Should we use lotteries instead of elections?

4 · How Much Does Life Weigh?

5 · Will we move onto the water?

6 · Can Algorithms Make Us Healthy?

7 · What if there were no mucus?

8 · How do we solve the nuclear waste puzzle?

9 · What if Fear Didn't Exist?

10 · What if the ice disappeared?

11 · Do We All hear the Same Thing?

12 · Are we too pessimistic?

13 · Does the Perfect Song Exist?

14 · Are we alone in space?

15 · Why Do We Eat What We Eat?

16 · What is the secret of light?

17 · Can we save the trees?

18 · What if dust didn't exist?

19 · Geoengineering: Earth's Last Resort

20 · Could Algae Save the Planet?

21 · Will Messenger RNA Save Us From Cancer?

22 · Will We Stop Flying?

23 · Will We Like Robots?

24 · The Purpose of Parasites

25 · Could We Sleep Less?

26 · Are Cryptocurrencies the Future?

27 · Do We Live in a Black Hole?

28 · The Power of Dreams

29 · Where do people migrate to?

30 · What Do Animals Talk About?

31 · Are we getting dumber?

32 · Do Computers Have Biases?

33 · How can everyone be fed?

34 · Are We Doing More Drugs?

35 · Are We Ready for Mars?

36 · Can we glimpse the afterlife?

37 · Could we become immortal?

38 · Could We Live Without Agriculture?

39 · How dangerous is space weather?

40 · Will we travel to Mars?