Scientists thought only male birds sang – until women joined the research

For more than 150 years, scientists have considered bird song to be an exclusively male trait, but female scientists have changed that. Americans often idealize scientists as unbiased, objective observers. But scientists are affected by conscious and unconscious biases, just as people in other fields are. Studies of birds’ vocal behavior clearly show how research approaches can be affected by the people who do the work. —theconversation.com

This Woman Inspired One of the First Hit Video Games by Mapping the World’s Longest Cave

The Medium headline calls Colossal Cave Adventure “one of the first the video games,” but it’s a stretch to use “video” to describe the modality of a command line text parser game. The former Patricia Crowther was very helpful to me when I interviewed her by telephone for my DHQ article. I could have written quite a lot more about her as a technologist, rather than mostly as a caver,…

Adorable Dolphin encounter makes Texas sloth video go viral

My social media feed just featured adorable pictures of dolphins engaging with a sloth. Instead of blogging the Business Insider page or the Bored Panda or the Reddit pages or local TV news programs that repurposed content from the Texas State Aquarium, I wanted to find the original. The dolphin pictures are still frames from a short sloth-centric video the aquarium released on Facebook on a month ago. In response…