Methane is a powerful greenhouse gas, and cows are a major source of it. A group of scientists is developing a proof of concept for a vaccine that would curb methane emissions in cattle.

During a housewarming ceremony, a cow is taken inside the home and walked from room to room to bless the house. Andrews loved the idea and instantly knew which cow would be the easiest to train.

As he approached the anxious cow, he realized that her calf was trapped down in the creek. Carefully keeping his distance from the calf's mom, Wyatt stepped down into the creek and gently pushed ...