physiology

Creative shot of a dark bay horse head looking left
How well can horses see in the dark?
The average horse’s night vision is nowhere near as good as many people believe. Neuroscientist Janet Jones, PhD, sets the record straight.
A foal, standing calmly and looking into the distance
Study finds no downside to early castration
A study suggests that colts can be gelded early—even at 3 days old—without adverse effects.