174 Humans are Gone: Do the Chickens Make It? 2018-06-05T11:12:51.383

169 If everyone in the world disappeared except 35 random people, how long would it take for one of them to realize they're not alone? 2018-08-22T03:53:13.777

135 Everything alive in the world dies this instant. Without bacteria to decompose anything, what happens to the remains? What does this look like? 2018-04-19T10:59:48.727

122 What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation? 2018-07-23T14:15:11.797

74 How would primitive peoples detect radiation? 2018-06-25T20:30:49.613

73 How could an apocalypse kill off all adults -- leaving only those under the age of 18? 2017-05-09T14:53:58.280

67 Humans are gone - what can I harvest from their cities 30M years later? 2018-07-05T09:41:15.900

61 What would a Boeing 747 look like if it were left in a hangar for 5,000 years. Could it still be flown? 2016-06-21T15:26:59.590

56 I want to become a living god! 2016-12-22T09:49:34.990

52 Only the Swiss Are Left - Can They Survive? 2016-01-28T16:41:49.720

52 Farming after the apocalypse: chickens or giant cockroaches? 2016-10-17T17:56:50.730

50 For how long after an apocalypse would modern cars remain usable? 2017-05-23T13:37:13.900

47 Most valuable resources from houses? 2015-11-02T18:48:02.443

44 How dangerous is a 500-year-old nuclear warhead? 2018-12-10T17:48:21.083

41 A way of getting the water to the top of the tall building without electricity? 2018-03-05T19:24:13.220

41 Is it realistic to believe an apocalyptical setting can last 500+ years? 2018-03-15T00:41:02.743

41 How many people are necessary to maintain modern civilisation? 2019-06-17T16:49:20.220

40 Would it be more or less disastrous if a zombie is curable? 2017-12-04T03:08:11.603

39 Most effective long-term zombie killing weapon 2015-05-13T16:33:56.803

39 How many people are required for a healthy re-population of the Earth (Post-Apocalypse)? 2015-05-31T01:48:50.003

39 Why would a crash landed generation fall back to the stone age? 2016-11-23T17:56:59.517

39 Security measures that could plausibly last 150+ years? 2019-07-31T06:38:43.787

37 Suitable real world critters for a causing mayhem (disabling comm and defense systems) via catapult? 2017-02-14T17:13:23.363

35 Preventing post-apocalyptic society from becoming misogynistic 2016-03-23T19:37:35.640

35 How many years could notebook computers and phones be stored in a closed bunker/vault and still operational when found? 2018-10-24T09:21:11.750

35 How long can an adult survive on pure carbs? 2018-12-28T18:43:38.520

32 Long-lasting self-sustainable presence indicator beacon 2017-08-07T06:58:05.747

31 How useful would a hydroelectric power plant be in the post-apocalypse world? 2019-06-27T16:55:24.470

30 How many survivors would be left after a global nuclear war? 2015-10-26T17:18:00.503

30 What is a city like after a hundred years or so of neglect? 2017-02-21T16:19:56.747

30 How old do surviving children need to be to keep human civilization from failing? 2018-08-30T23:18:24.470

29 Post-apocalypse ammo 2018-06-28T23:53:22.727

28 A Treasure Chest for your Post-apocalyptic Children 2016-01-18T03:51:19.260

28 Hallway cannon, the last way out 2017-04-05T05:57:59.037

28 Zombie killing structure that's easy to construct, durable and low maintenance? 2017-06-13T22:45:48.860

27 Can you buy your way out of the Apocalypse? 2015-09-09T10:01:08.760

27 Could people in a post-apocalyptic setting work around the fact that fuel expires? 2017-08-31T15:40:37.717

27 Ideas for practical post-apocalyptic currency 100 years from now 2018-03-09T00:30:20.473

26 How would societies be if created and populated only by young people? 2015-01-02T14:40:32.363

26 What would human survivors eat in a post apocalyptic Nuclear winter? 2018-01-30T07:03:31.427

25 Restoring the world after a global apocalypse 2014-12-22T20:34:53.650

25 Is it safe to grow and eat food on post-nuclear-war land? 2017-05-15T02:13:32.593

25 What could cause a post-apocalyptic, rapid desertification of vast areas of the world, similar to the land in Mad Max: Fury Road? 2017-07-18T17:29:33.400

25 How would I make guns uncreatable in a post-apocalyptic world? 2017-07-30T19:12:37.017

25 How can I have a permanent post-apocalyptic world? 2018-10-29T17:27:52.440

24 What would a laptop look like after 300 years? Would it still work? 2016-07-01T13:34:47.030

24 What kinds of remnants might be evidence of a previous civilisation? 2017-08-22T02:24:15.487

24 How would nuclear fallout affect the oceans? 2017-08-22T18:59:27.787

24 Why might a robot's memory be unreliable after the Apocalypse? 2018-06-07T20:49:09.930

23 The World's in Perpetual Winter. How Long Can Humanity Survive? 2016-09-07T04:26:01.970

23 What could cause an entire planet of humans to become aphasic? 2019-02-22T10:16:00.823

22 Moving stealthy in an hostile enviroment 2017-08-16T13:13:15.117

21 How many major cities would need to be destroyed by nuclear strikes to completely disable the world economy? 2015-11-01T14:04:04.523

21 How good are vets as doctors? 2017-08-11T21:17:12.360

21 Can capybaras spread to Louisiana from Venezuela and populate it in less than 1000 years? 2018-06-12T13:02:18.813

20 What non-intuitive modern items would be useful in a medieval-ish world? 2015-06-26T18:26:21.883

20 How long would a single metropolis last if all other signs of human civilization vanish? 2016-08-19T14:14:09.080

20 What would cause the land to "rise" in a future, post-apocalyptic world? 2017-01-05T13:16:14.687

20 How would purely underground settlements find and trade with each other? 2017-07-05T14:37:02.010

19 What would iron-age tools and weapons be like if they were redesigned with modern metallurgy? 2016-09-06T10:28:44.790

19 All of the freshwater on Earth has suddenly vanished - would humanity survive? 2018-01-10T23:59:50.733

19 In a post-apocalypse world, with no power and few survivors, would Satnav still work? 2019-02-22T17:39:12.633

18 What would be a realistic, competent response from the rest of the world if Britain were wiped out by a zombie virus? 2014-11-01T22:59:39.753

18 So we've survived the apocalypse. What's next? 2015-02-01T17:36:51.570

18 Time no longer passes except near intelligent creatures, how does the world continue? 2015-06-28T20:06:30.583

18 How long can I keep my truck oiled after the Apocalypse? 2017-12-18T03:24:31.290

17 What proof could Ragnarök leave behind? 2014-10-16T11:38:18.610

17 Currencies when known encryption systems become obsolete 2014-12-28T21:41:07.577

17 Could the entire world have been destroyed by the existing nuclear arsenal in 1962? 2017-05-09T10:42:53.570

17 Would concrete foundations and driveways be useful to a post-catastrophe survival group? 2017-07-17T20:06:06.327

17 Would solar cells last? 2017-09-09T07:45:13.720

17 What's the most convenient time of year in the USA to end the world? 2019-03-02T00:40:06.617

17 What dog breeds survive the apocalypse for generations? 2019-05-13T22:53:49.857

17 Could an American state survive nuclear war? 2019-10-08T01:37:45.810

16 How long can a power plant continue to generate electricity without maintenance by people? 2016-05-13T12:49:50.960

16 A catastrophe that wipes out the current civilization but does not make humanity go extinct 2018-08-20T08:29:00.660

16 Lifespan of abandoned buildings 2018-12-20T14:31:06.483

16 Is it possible for underground bunkers on different continents to be connected? 2019-06-13T17:13:28.560

16 How to make vehicular combat viable in a Post Apocalyptic world? 2019-10-24T12:14:37.867

15 How to justify the absence of weapons 2015-11-24T15:16:00.497

14 What will remain from an eco-friendly civilization after 10,000 years? 2014-11-06T19:12:16.650

14 What would be the development of the most valuable, irreplaceable food trade goods in a post-apocalyptic world? 2015-04-02T00:00:31.743

14 How long after a global nuclear disaster would the world become habitable by humans again? 2016-04-04T14:12:19.900

14 Besides continental drift, what could affect the map of Earth hundreds of millions of years from now? 2017-02-05T03:40:20.923

14 Post-apocalypse currency 2017-04-29T21:06:45.517

14 Post apocalypse contraception 2017-09-19T07:34:03.520

14 Train-World: Storing RHUs for decades to centuries 2018-01-09T11:44:09.937

14 What could post-apocalypse humans do about dangerous, genetically augmented dogs? 2018-05-24T23:54:29.103

14 Little known, relatively unlikely, but scientifically plausible, apocalyptic (or near apocalyptic) events 2019-04-03T22:43:41.033

13 How would lack of sunlight affect a human population? 2014-12-17T08:42:03.743

13 People of the Sea- Living on a Migratory Fleet 2015-04-23T15:05:07.990

13 I wiped out most of the human race - now I want to create a more peaceful and equal society 2016-03-23T14:39:03.053

13 How to knock down humanity? 2016-08-15T22:05:01.450

13 A post-apocalyptic industrial revolution 2017-05-12T10:48:52.550

13 Plausible Components for Zombie Immunization? 2018-01-01T18:09:56.513

13 If fairies don't need as much food, water or space, why wouldn't they overwhelm humans in the post-apocalypse? 2019-01-21T16:20:58.480

12 How can a world with constantly-moving nomads form? 2015-01-16T17:40:41.053

12 Can postapocalypse world ditch one currency? 2016-02-16T12:55:04.963

12 Can osmium replace calcium or be placed in with it to make an organic human exoskeleton 2017-12-18T21:42:19.047