User Alex Stone

26 votes

3 answers

39k views

Are humans the only animal that requires "clean water"?

asked Feb 3, 2014 at 4:14

20 votes

1 answer

2k views

Do marine deep sea life forms exhibit circadian rhythms? If so, what entrains them?

asked May 2, 2013 at 2:54

19 votes

2 answers

870 views

Can parts of a human brain be asleep independently of each other, or vary in the times required for them to fall asleep?

asked Jun 27, 2013 at 21:10

15 votes

1 answer

3k views

What light intensity starts melatonin release in humans?

asked Dec 14, 2012 at 18:28

14 votes

1 answer

772 views

Are there specific features of birds that cats/small predators are attracted to?

asked Mar 24, 2014 at 16:24

12 votes

2 answers

8k views

Do animals get sick from eating dirty food or eating off the floor?

asked Aug 10, 2013 at 22:04

12 votes

2 answers

123k views

What is it called when one human eye is seeing brighter color than the other?

asked Jul 9, 2013 at 17:59

12 votes

2 answers

555 views

Is it possible for a human to wake up in a wrong way?

asked Mar 30, 2015 at 1:10

12 votes

5 answers

759 views

Can spider silk be synthesized to be used for 3D printing?

asked Feb 24, 2013 at 19:25

12 votes

2 answers

637 views

What can the timing of human urination tell about the human's physical condition and circadian rhythms?

asked Apr 26, 2012 at 13:54

11 votes

1 answer

276 views

Does sleep in humans re-structure based on the expected sleep time?

asked Sep 30, 2012 at 15:38

11 votes

3 answers

526 views

Can any species be bred selectively/engineered to become as diverse looking as dogs?

asked Jun 3, 2013 at 1:20

11 votes

2 answers

4k views

How do neurons form new connections in brain plasticity?

asked Nov 22, 2012 at 18:53

10 votes

2 answers

676 views

How is human biological clock modelled in modern science?

asked May 18, 2012 at 1:43

9 votes

1 answer

2k views

Which human body hormonal systems exhibit 24 hour diurnal cyclical activity?

asked Mar 2, 2012 at 13:47

9 votes

1 answer

942 views

Human sleep cycles and dream times, what influences the timing and intensity? Sleep history included

asked Mar 3, 2012 at 16:20

9 votes

1 answer

2k views

What influences the timing of human bowel movements in the morning?

asked Mar 3, 2012 at 16:23

9 votes

2 answers

1k views

Does human digestive system benefit from eating same kind of food consistently?

asked Sep 8, 2012 at 23:04

9 votes

2 answers

57k views

Which shades/hues of color are easiest to distinguish for humans?

asked Oct 9, 2012 at 17:57

9 votes

2 answers

865 views

Is there a preferred sleeping position for humans?

asked Aug 6, 2013 at 11:57

9 votes

2 answers

2k views

Help identify this awesome climbing plant with velcro like stem

asked Sep 13, 2014 at 11:36

8 votes

1 answer

328 views

Is there a mechanism by which mammals lose interest in a partner after mating?

asked Jul 21, 2015 at 18:44

8 votes

2 answers

3k views

Does the brain and the body use the same energy source (glucose/ATP)?

asked Nov 10, 2012 at 19:05

8 votes

1 answer

306 views

What mechanisms tell temperate trees when to drop leaves?

asked Nov 14, 2012 at 21:47

7 votes

2 answers

348 views

Is there such thing as a generic "metabolic type"?

asked Apr 26, 2012 at 15:33

7 votes

1 answer

80 views

Is there such thing as "meters per calorie" for living organisms?

asked Nov 9, 2012 at 20:14

7 votes

3 answers

1k views

Is there such thing as Animal non-verbal body language?

asked Jun 1, 2012 at 13:36

7 votes

2 answers

9k views

Can animals like squirrels leave "gifts" or tribute for humans?

asked Sep 25, 2015 at 14:58

7 votes

2 answers

283 views

Is human "sperm warfare" a concept supported by biology?

asked Jan 29, 2017 at 14:07

7 votes

1 answer

87 views

Would constant light or fading light be registered as more wakefulness promoting by the Supra Chiasmatic Nucleus?

asked Nov 3, 2014 at 18:48

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120 Questions

Are humans the only animal that requires "clean water"?

Do marine deep sea life forms exhibit circadian rhythms? If so, what entrains them?

Can parts of a human brain be asleep independently of each other, or vary in the times required for them to fall asleep?

What light intensity starts melatonin release in humans?

Are there specific features of birds that cats/small predators are attracted to?

Do animals get sick from eating dirty food or eating off the floor?

What is it called when one human eye is seeing brighter color than the other?

Is it possible for a human to wake up in a wrong way?

Can spider silk be synthesized to be used for 3D printing?

What can the timing of human urination tell about the human's physical condition and circadian rhythms?

Does sleep in humans re-structure based on the expected sleep time?

Can any species be bred selectively/engineered to become as diverse looking as dogs?

How do neurons form new connections in brain plasticity?

How is human biological clock modelled in modern science?

Which human body hormonal systems exhibit 24 hour diurnal cyclical activity?

Human sleep cycles and dream times, what influences the timing and intensity? Sleep history included

What influences the timing of human bowel movements in the morning?

Does human digestive system benefit from eating same kind of food consistently?

Which shades/hues of color are easiest to distinguish for humans?

Is there a preferred sleeping position for humans?

Help identify this awesome climbing plant with velcro like stem

Is there a mechanism by which mammals lose interest in a partner after mating?

Does the brain and the body use the same energy source (glucose/ATP)?

What mechanisms tell temperate trees when to drop leaves?

Is there such thing as a generic "metabolic type"?

Is there such thing as "meters per calorie" for living organisms?

Is there such thing as Animal non-verbal body language?

Can animals like squirrels leave "gifts" or tribute for humans?

Is human "sperm warfare" a concept supported by biology?

Would constant light or fading light be registered as more wakefulness promoting by the Supra Chiasmatic Nucleus?