Scientists solve the genetic puzzle of sex-related Y chromosome

Scientists have taken an important step forward in understanding the human genome - our genetic blueprint - by fully deciphering the enigmatic Y chromosome present in males, an achievement that could help guide research on infertility in men.

Chemical pollutants at home degrade fertility in men

New UK research suggests that environmental contaminants found in the home and diet have the same adverse effects on male fertility in both humans and in domestic dogs.