This week鈥檚 new questions
What makes galaxies spin in a certain direction, and do they all spin in the same one? And is there a limit to how small an adult arthropod can be? If so, what is the reason for the limit?
Regulars
If we all lined up with our arms touching, where would this circle be?
Regulars
Given the impact of cats, why don鈥檛 we domesticate more rats as pets?
Regulars
Why can鈥檛 we conjure up smell and touch in our heads? (part 2)
Regulars
This week鈥檚 new questions
Regulars
Earth was a hothouse 201 million years ago. How did it recover?
Regulars
Can all animals get drunk? What enables this in those that can?
Regulars
Why does honey stop dripping when there is still some left? (part 2)
Regulars
This week鈥檚 new questions
Regulars
Which is the more efficient way to cool my car, A/C or the windows?
It depends what speed you are driving at, say our readers, and also how your vehicle is powered
Regulars
Why do cats wash themselves, while dogs don鈥檛? (continued)
Regulars
When was the first sunrise on Earth? (continued)
Regulars
This week鈥檚 new questions
Regulars
What was used to wean babies in prehistoric times?
Regulars