females
-
Women's Exposure to Higher Lead Levels Increases the Chance of Having Male Offspring
A new study explored the effects of lead exposure to fertility and secondary sex ratio in Japan.
Latest Research Articles
-
Butterflies Follow In Their Parents' Footsteps
-
'Virgin' Yellow-Bellied Watersnake Gives Birth For Second Time
-
Female Butterflies Sniff Out Their Soul Mate
-
Chimpanzees: 'New Girl' Forms Stronger Female Bonds
-
Species vs Species: Males Fight for Female Attention
-
Menopausal Whales Makes Good Leaders
-
Warrior or Nanny: Spiders Match Job to Personality
-
Dopamine Turns Worker Ants into Warrior Queens