New research showing clear similarities between pain receptors in human and horses’ skin raises fresh questions about whether the widespread practice is ethical or even effective.
Articles on animal physiology
Displaying all articles
The three-toed skink can give birth to live young and lay eggs in the same pregnancy. What can this little critter teach us about the evolution of live birth?
When offspring become more “costly” to make, mothers make fewer of them. And these offspring start life with fewer energy reserves.
