How do animals with fur get enough sunlight to produce vitamin-D?
110304
How can haired mammals synthesize vitamin D?
82763
How long does it take for an animal to grow up?
117114
Naturally improve eyesight
70595
How could a Lich maintain the appearance of being alive without magic?
70055
Birds sitting on electric wires: potential difference between the legs
34689
How to make sunbeams in blender?
106292
Do animagi get to pick their animal?
76706
What prevents predator overpopulation?
82909
Are there animal species that sense infrared light with their eyes?
135261
How can there be animals on the surface in Zion's world?
156339
Are there animals that can use the Force?
117231
How does vampirism work?
37198
Can an animal evolve after birth?
98458
Radiation emission and absorption
65915
Why does the sun always have some whiteness?
52953
How can I find my pet wolves that I told to sit?
100643
Does darker skin color make it easier to live under sun?