Complex Sex Life of Goats Could Have Implications for Wildlife Management

A new study of the mating habits of mountain goats reveals the vastly different strategies of males in different populations and could shed light on the unseen impacts of hunting. Continue reading

Milk from ‘Spider Goats’ Could Produce Ligament Replacement Material

What’s stronger than Kevlar, stretchier than nylon, and a natural material that has long intrigued scientists and engineers because of its potential medical applications? The strongest of the six types of spider silk, referred to as “dragline” silk, is used for outer circles of a web, or for repelling from ceiling to floor.

In the early ‘90s molecular biologist Randolph Lewis and his colleagues at University of Wyoming in Laramie identified the two proteins that make up the strong silk, but the large size of the proteins made the attempts to mass-produce the silk from spiders unsuccessful. Cannibalistic spiders also aren’t the ideal animal to farm commercially for the quantities needed, so the researchers have experimented with inserting the silk-producing genes into the genome of animals including cows, hamsters, and most recently, goats. Continue reading