This week鈥檚 new questions
What is the smallest number with no interesting properties? And why are bird droppings mostly white, considering all the things they eat?
Regulars
Would taller people benefit from bicycles with larger wheels?
Regulars
Is it possible to have a loud sound that is too brief to be audible?
Regulars
What stops us from falling out of bed while we are asleep? (part 2)
Regulars
This week鈥檚 new questions
Regulars
Do humans provide any benefit to planet Earth except for ourselves?
Regulars
Can the brain register higher dimensions?
Regulars
Why do two musical notes an octave apart sound the 鈥榮ame鈥�? (continued)
Regulars
This week鈥檚 new questions
Regulars
Why are there no green mammals?
There are green fish, green amphibians, green reptiles and green birds. Our readers explore why evolution doesn鈥檛 seem to have produced green mammals
Regulars
Why does being out in the rain feel so unpleasant sometimes?
Regulars
This week鈥檚 new questions
Regulars
Why does anger make us stronger, yet we become weak with laughter?
Regulars
What is the smallest body of water in which tides can be detected?
Regulars