Science Trivia Thread

[Viking]

The idea is the same as the History Trivia Thread with Timmy (24 hr) and Modified Yi (no questions within own field) but questions about science. Chemistry, Biology, Physics, Engineering and Mathematics are included. Other fields might be included.

I'm a bit curious about the interest. But I'll start.


"Beavers change their circadian rhythm during the winter. What is special about that change?"

[Ideologue]

They stop waxing?

[Camerus]

 

[Alatriste]

I thought beavers, like bears, slept trough the winter...

[HisMajestyBOB]

I'd have to know what a Circadian rhythm is.
Biology is definitely not my field. 

[The Larch]

I'd have to know what a Circadian rhythm is.
Biology is definitely not my field. 

It's the daily cycle of living organisms.

No clue about the beavers. They go from being active at night to being active at day?

[Viking]

I thought beavers, like bears, slept trough the winter...

This is sort of relevant, beavers do sit in their homes in the winter, but they do not hibernate. They still have waking and sleeping hours.

It's the daily cycle of living organisms.

No clue about the beavers. They go from being active at night to being active at day?

Yes, it is the daily cycle. But you answer is not correct.




Hint: They stay inside or under ice during the winter. And thus don't see the sky at all. The Sun usually sets the daily rhythm of most species.

[Caliga]

It is based on temperature fluctuations rather than sunlight fluctuations?

[Viking]

It is based on temperature fluctuations rather than sunlight fluctuations?

Almost certainly not.

Edit: as temperature is almost certainly based on sunlight as well.

[Razgovory]

This is a good idea.  To bad I suck at Science.

[Caliga]

Tidal fluctuations?

[HisMajestyBOB]

It's based on the behavior of their prey? i.e., when the fish they eat are active, they're active, and when they're not, they sleep?

EDIT: I like Cal's answer. That makes more sense.

[Viking]

It's based on the behavior of their prey? i.e., when the fish they eat are active, they're active, and when they're not, they sleep?

EDIT: I like Cal's answer. That makes more sense.

Beavers don't eat fish.

Tidal fluctuations?

No tidal effects on small freshwater dammed rivers.

[Caliga]

It has to do with when the entrances to their dens freeze over or not?

[Viking]

It has to do with when the entrances to their dens freeze over or not?

The entrances usually don't freeze, but the dam lake does, so they can access the water under the ice. But as I said before, they cannot see the sun and they almost never leave the den.