What is the optimal circadian rhythm?
Posted by Iter, at worldbuilding.stackexchange.com,
We have 24 hour schedules because the earth rotates about once every 24 hours. But what if humans were on a planet that didn't…
Do we need less sleep when the Sun is shining at night?
Posted by Count Iblis, at skeptics.stackexchange.com,
I always bring black plastic sheets with me when going North in the Summer to make my bedroom pitch dark, but the local people…
I'm stranded on an alien planet. How do I measure an earth year without a clock?
Posted by Tristan Klassen, at worldbuilding.stackexchange.com,
I just got shoved through a stargate onto a planet I don't know. I was told the gate would open again in exactly one Earth year.