48 What injury would be of little consequence to a biped but terrible for a quadruped? 2019-03-11T17:07:56.080

46 Advantage of luminescent eggs? 2018-04-08T03:44:28.293

38 How to modify the human eye to see into the ultraviolet and infrared bands? 2015-11-12T19:58:19.657

36 Would humans be able to derive nutrition from foodstuffs found on alien planets? 2016-07-19T18:15:31.977

35 Can a human being live with a continuous stream of blood instead of pulses? 2016-08-26T09:58:10.520

34 Why are low gravity humans depicted as TALL? 2016-06-05T12:53:02.433

23 Symbiotic benefits for large sentient bio-machine 2016-10-04T18:13:57.070

23 What is the bio-mechanical plausibility of a fox with venomous fangs? 2019-08-07T14:23:47.920

19 What would be the disadvantages and advantages of having four fingers instead of five? 2018-06-21T11:18:37.160

17 Could a Species Use Tools (and Build a Civilization) Without Thumbs? 2015-01-31T21:01:15.430

17 Anthropomorphic Animal Head Support 2018-04-11T14:38:36.907

17 Fart & Furious: flatulence as acceleration booster possible? 2018-10-02T06:00:41.623

16 Dragon forelimb placement 2019-04-06T17:07:16.140

15 Where would a "Magic gland" go for full-body saturation of magic? 2015-11-27T20:02:57.187

15 Dragons have a constraint on muscle mass that isn't dedicated to flight. What's the best natural physical weapon for them? 2020-02-07T09:06:23.727

15 How can a dragon take off to the air silently? 2020-02-26T01:45:48.007

13 Pharbohydrates vs Carbohydrates 2015-10-04T15:13:40.617

13 Why would a body plan with multiple eating mouths evolve? 2016-05-21T00:13:28.590

13 Creating a plausible death world 2016-12-19T14:05:13.020

13 Neutral, science-based Undead 2018-03-26T14:04:49.077

13 Creating a scientifically semi-valid super-soldier, part 6: Radiation protection 2018-05-03T19:19:59.093

12 What minerals that are more durable than calcium would be suitable for bones? 2019-04-30T02:32:58.103

11 Building The "Perfect" Mount 2018-02-15T21:01:14.013

11 Creating a scientifically semi-valid super-soldier, part 3: Physical shock resistance 2018-03-22T11:21:04.167

11 What's the most plausible way to bio-engineer an underground ecosystem, without photosynthesis, to produce oxygen? 2018-04-07T21:44:09.600

11 How can dragons propel their breath attacks to a long distance 2019-05-11T20:27:58.857

10 Could 'robotic' prostheses be possible in the victorian era? 2019-01-16T13:02:17.233

10 Biology of a Firestarter 2019-05-13T16:49:30.417

9 Weapons for bioengineered aliens 2016-10-21T05:14:25.933

9 Is a reptile with diamond scales possible? 2019-05-17T16:15:48.670

8 Stationary eye with moving pupil, is it possible? 2015-08-26T13:51:56.673

8 How could water breathing animals have a warm-blooded level of metabolism? 2016-06-05T10:10:33.740

8 How long would it take to transform a human into a space-ship and back? 2017-01-20T12:36:12.590

8 Humans with a scorpion-like tail? 2017-12-29T12:28:41.340

8 Are my wing-walking griffins viable? 2018-06-06T10:07:33.000

8 Creating a scientifically semi-valid super-soldier, part 8: Communication 2018-06-22T09:00:02.477

8 Are Extraterrestrial's pagoda trees plausible? 2018-08-12T15:58:18.263

8 The Biology behind a slime that uses hydrofluoric acid to disable and digest prey. 2018-08-17T06:41:39.570

8 Living nests for insects - Part 1: Optimal Hive shape 2019-04-10T17:58:23.350

8 Developing a scientifically accurate species of dragon-like humanoids 2019-05-26T14:53:18.467

8 Wings for orbital transfer bioships? - The ascent 2019-06-30T13:20:00.597

8 Sanity check: 4D bio-wheels 2019-07-03T17:40:45.913

8 How could dragons effectively use their wings as weapons in ground combat? 2019-08-03T23:27:29.370

8 Is a 500 kg flying creature possible? 2019-10-15T20:15:49.867

7 Humans with 360 Degree Vision across IR, Visible, UV and XRay? 2015-08-01T19:21:00.397

7 Is there any reason centaurs can't fit their own horseshoes? 2015-08-08T09:58:32.413

7 How big would a human have to be to have a full set of redundant organs? 2016-10-04T23:53:16.040

7 How can perpetually-gliding lifeforms develop space travel? 2017-12-26T23:33:20.837

7 Giving dragons more flight muscle 2019-02-23T15:20:02.710

7 Would it be possible to rearrange a dragon's flight muscle to somewhat circumvent the square-cube law? 2019-04-13T15:14:43.313

7 How can an amorphous creature change viscocity at will? 2020-01-08T17:49:23.940

6 Is there a biochemical that can change color AND emit light? 2015-12-07T17:08:20.193

6 Would it be possible to bleed if your blood pressure would be less than atmospheric pressure 2016-08-17T04:28:34.573

6 What kind of evolutionary pressure might lead to plants that send out a tight beam of ionizing radiation 2018-02-04T12:42:39.017

6 Creating a scientifically semi-valid super-soldier, part 1: Skeleton 2018-03-06T09:51:13.807

6 Creating a Scientifically Semi-Valid Pseudo-Arthropod Primate Part 1: Pseudo-Dragonfly Wing Rib Muscles 2018-04-29T02:27:54.093

6 What is the best body plan to allow for giant size in a terrestrial animal? 2018-08-06T16:21:27.517

6 Why would a biped evolve into a monoped? 2018-09-13T16:54:30.557

6 Dragon flight muscles 2018-10-18T17:42:11.393

6 How might a purely mechanical 'voice' function? 2019-01-10T15:21:48.953

6 Could a medium sized mammal in the order carnivora evolve to be bipedal? 2019-04-28T03:36:13.893

6 Are Air-Breathing Merfolk Viable? 2020-01-15T19:14:56.747

5 Nanobots Ecosystem, is it possible? 2015-03-28T16:28:07.953

5 Controlling Lab-Grown Limbs 2015-11-13T10:48:39.430

5 Are single-biomed planets (like in *Star Wars*) possible? 2017-12-20T03:16:23.157

5 How strong would John Carter really be on Mars? 2017-12-22T03:18:44.913

5 Creating a scientifically semi-valid super-soldier, part 5: Heart and circulatory system 2018-04-13T21:46:20.160

5 Using science, how could an animal achieve lift/flight by using pressure? 2018-06-13T06:04:29.460

5 What would the size constraints on my creature be? 2018-09-15T01:41:07.977

5 Creating a scientifically semi-valid super-soldier, addendum: Metabolism 2019-04-02T06:14:51.613

5 Can my heraldic dragons fly? 2019-04-15T19:16:21.297

5 Anatomically Correct Propellers 2019-10-23T20:13:48.340

5 How low can the density of a living creature be? 2019-12-22T11:01:27.373

5 Feasibility of Cyborg Trees? 2020-02-03T21:37:02.623

4 Mind-reading technology 2015-12-22T10:00:09.470

4 How to make selective healing? 2017-12-06T16:25:32.657

4 Swimming in the rain? 2018-02-17T03:37:34.920

4 What would be the physiological/anatomical adaptations of a 50 metre sea serpent? 2018-06-10T13:13:00.697

4 Would a nictitating membrane, eyelid AND eyelashes get in each other's way in the same eye? 2018-08-11T01:41:16.217

4 Would wide hips be a wiser evolutionary trait for digitigrade, biped humanoids? 2018-09-22T02:29:23.153

4 How can I increase wingbeat frequency for large flying creatures? 2019-03-30T12:36:09.467

4 The anatomy of an organic microwave generator 2019-08-17T18:46:04.383

4 How many people can a sealed 3x1x1 km biome support? 2019-12-08T01:06:39.503

4 Can a biological system be used to power an android? 2020-01-18T10:38:51.603

3 running like a girl on the moon? 2015-03-01T03:48:13.230

3 How can a jet-propelled horse work? 2016-02-10T19:38:09.863

3 How plausible are my metal eating life forms and their impact on civilization? 2016-03-10T03:15:03.680

3 Could a virus extend life-span? 2016-11-03T18:56:52.183

3 Ancient Greece have access to cheap, durable and easy to process material, how far can they advance? 2016-11-06T07:46:59.960

3 Effect of sustained high G enviroments on the human body? 2017-02-16T03:41:41.083

3 Multi-purpose Fictional Chemical Element Needed 2017-07-12T10:37:13.363

3 How could a human without bones survive? 2017-12-22T18:28:12.400

3 How could dragons run? 2018-10-13T08:27:40.457

3 Can you create a living vehicle fueled by organic material? 2019-03-09T11:59:11.643

3 Monsters vs You /Dragons/ How to give them better resistance against firearms 2019-03-17T10:12:17.293

3 Where would padding inhibit a limb's movement the least in a quadruped creature? 2019-04-22T18:42:34.400

3 What problems would arise if a species that uses wheels via electricity/conductivity instead of muscle tissue to move? 2019-09-30T17:24:13.893

3 Would linear increase of a muscle's dimension increase the power as well? 2019-10-03T20:38:44.823

3 What’s the fastest possible speed a human could move in a single step without some form of augmentations or assistance? 2019-11-05T04:16:05.570