You’d think it would be easy to persuade people to protect prairie dogs: Not only are they a keystone species, with nine other species directly dependent on them for survival, but they’re also irresistibly cute, with big eyes and big personalities. Yet the personable little rodents often find...

What is immunocontraception? Immunocontraception is a birth control method that uses the body's immune response to prevent pregnancy. Why is the Humane Society of the United States sponsoring research in immunocontraception? The Humane Society of the United States (HSUS) believes that...