Predation can lead to the evolution of defensive devices in prey animals. Genitalia, which are used for mating between males and females, have rarely been considered to function as an important ...

During the procedure, a urologist rebuilds your genitalia, including the penis and surrounding tissue. These procedures restore the appearance of your genitals and your ability to urinate and/or ...

Fending off an attacker by swordplay with two genital spines turns out to be a moderately useful form of self-defense for male wasps, an unusual study shows. A mason wasp’s rear spikes may be useless ...

The male genital system consists of both external and internal parts. The external male genitalia include the penis, urethra, and scrotum. The internal male genitalia include the seminal vesicle, ...

Female bees and wasps use modified ovipositors, formerly used in egg laying, to sting their attackers, including people. Now, a study in Current Biology on December 19 shows that male mason wasps use ...

Female wasps have a venomous sting to discourage predators, but males lack this protection. Now, researchers have discovered that male mason wasps have an alternative defence strategy: using their ...

There is a strong link between pathophysiology and the human body's microbiome. Research suggests that many microbial communities regulate health, host homeostasis, disease progression, and infection ...