testes

(Newser) - Tiny plastic particles have reached parts of our bodies once thought impossible, including placentas and breast milk and, as researchers show in a new study, every human testicle analyzed. The discovery, researchers say, could help explain why sperm counts are declining around the world. Microplastics were discovered in all the...

(Newser) - The Zika virus has been linked to microcephaly, or shrunken heads, in the infants of pregnant women who contract the virus, but it also decimates the testicles of males—at least in mice, report researchers in the journal Nature . Little is currently known about the impact of an infection on...

(Newser) - All this time, scientists thought a whale's pelvis was useless—but it turns out that it may actually help the marine mammal make its moves when it's time to get it on. A study published in the journal Evolution finds that bigger actually is better when it comes...