Animal Reproduction

Cryptic Female Choice

August 25, 2021 0
“Cryptic female choice” is essentially a female’s way of exercising some post-coital power over whose sperm will fertilize her eggs. There are many reasons why a female would want to retain some kind of control […]
Animal Reproduction

Male Rats Run Out Of Sperm But Still Engage In Sex

August 18, 2021 0
Rats (superfamily Muroidea) have a well-studied mating system that often involves males becoming sexually satiated. This means that they literally get tapped out of sperm and it takes approximately fifteen days for their fertility to […]
Animal Reproduction

Obligate Diapause – Suspending Pregnancies in Carnivores

August 11, 2021 0
As opposed to the rodents who experience facultative diapause, carnivore moms experience obligate diapause. Obligately diapausing mothers experience a period of embryonic inactivity each time a pregnancy occurs. Regardless of environmental conditions, there is a […]
Animal Health

Self-Anointing For Medical Care

August 4, 2021 0
A dab of this, a drop of that – we humans are consistently covering our bodies with creams, oils, and ointments of all kinds. From moisturizer to perfume, from antibiotic ointment to soothing muscle rubs, […]